irregular

1 of 2

adjective

ir·reg·u·lar i-ˈre-gyə-lər How to pronounce irregular (audio)

ˌi(r)-

: not being or acting in accord with laws, rules, or established custom

irregular conduct

: not conforming to the usual pattern of inflection

irregular verbs

specifically : strong sense 16

: not following a usual or prescribed procedure

especially, British : celebrated without either proclamation of the banns or publication of intention to marry

irregular marriage

: not belonging to or a part of a regular organized group

specifically : not belonging to a regular army but raised for a special purpose

irregular troops

: lacking perfect symmetry or evenness

an irregular coastline

: having one or more floral parts of the same whorl different in size, shape, or arrangement

specifically : zygomorphic

: lacking continuity or regularity especially of occurrence or activity

irregular employment

irregularly adverb

irregular

2 of 2

noun

: one that is irregular: such as

: a soldier who is not a member of a regular military force

irregulars plural : merchandise that has minor defects or that falls next below the manufacturer's standard for firsts

Example Sentences

Adjective His behavior as a teacher was highly irregular. Her application was handled in an irregular manner. a very jagged, irregular surface The stone has an irregular shape. He has a very irregular schedule. The festival has been held at irregular intervals. See More

Recent Examples on the Web

Adjective

Their ability to recover from irregular operations when most flights are only flown once per day still challenges the airline, as was seen this summer.

Ben Baldanza, Forbes, 6 Dec. 2021 Currently, millions of people with an irregular heartbeat are told to take expensive blood thinners, which prevent strokes, but also increase the risk of dangerous bleeding.

Mario Aguilar, STAT, 1 Sep. 2022 Men often don't experience symptoms of an irregular heartbeat at all.

Erika Edwards, NBC News, 21 Aug. 2022 The most common conditions among COVID-positive children were irregular heartbeat, difficulty breathing, pulmonary embolism or deep vein thrombosis, and ear, nose, and throat disorders.

Adrianna Rodriguez, USA TODAY, 13 Aug. 2022 In the short-term, those exposed may experience dizziness, an irregular heartbeat or other symptoms.

Aaron Gregg, Washington Post, 1 Aug. 2022 And while most women do experience symptoms, some manage to skate by with nothing more than some irregular periods, Dr. Faubion says.

Meryl Davids Landau, Good Housekeeping, 6 July 2022 Common red flags include missed or irregular report filings or inconsistencies in the amount of property or the property types that have been reported.

Jon D'amato, Forbes, 11 June 2021 The symptoms of the condition include: chest pain, difficulty breathing, low blood pressure and irregular heartbeat, per Healthline.

Stephanie Wenger, PEOPLE.com, 12 July 2022

Noun

As volunteer companies were raised to drive out the Mexican forces — who were occupying their own country — some of the irregulars were joined by free black men.

Paula Allen, ExpressNews.com, 15 Feb. 2020 Turkish troops then began shelling Kurdish towns in Syria, and Turkish forces pushed forward, irregulars executing people in ditches along the road.

Time, 14 Nov. 2019 Pakistani irregulars invaded, India intervened, and the two countries fought to a stalemate.

Washington Post, 15 Feb. 2019 Somehow the regulars don’t seem to mind all the irregulars who come to gawk.

Joshua Levine, WSJ, 15 Jan. 2019 Instead imagine high-tech mobs, an intifada with stones and drones, locals and irregulars in improvised warfare with the feds.

Lance Morrow, WSJ, 6 July 2018 Who took up arms to help their husbands in their clashes with Turkish troops and Kurdish irregulars.

Stephanie Petit, PEOPLE.com, 24 Apr. 2018 The onslaught followed days of army units and pro-government irregulars mobilizing from as far as the northern city of Aleppo before massing south of the capital.

Nabih Bulos, latimes.com, 20 Apr. 2018 The army's 3rd and 4th divisions, the Republican Guard, Russian forces, tribal fighters and pro-government irregulars are expected to take part in the offensive, pro-government activists said.

Nabih Bulos, latimes.com, 20 Feb. 2018 See More

Medical Definition

irregular

adjective

ir·reg·u·lar (ˈ)ir-ˈ(r)eg-yə-lər How to pronounce irregular (audio)

: lacking perfect symmetry of form : not straight, smooth, even, or regular

irregular teeth

: lacking continuity or regularity of occurrence, activity, or function

irregular breathing

of a physiological function : failing to occur at regular or normal intervals

irregular menstruation

have your bowels been irregular

of an individual : failing to defecate at regular or normal intervals

was constipated and very irregular

irregular 1 of 2

adjective

as in abnormal

departing from some accepted standard of what is normal it was a bank customer's slightly irregular behavior that made people suspicious

Synonyms & Similar Words

Relevance

abnormal
unnatural
unusual
anomalous
atypical
unusual
aberrant
uncommon
deviant
odd
aberrational
uncommon
untypical
extraordinary
deviate
odd
eccentric
bizarre
unconventional
strange
weird
extraordinary
devious
peculiar
idiosyncratic
unrepresentative
rare
strange
funny
remarkable
curious
peculiar
unorthodox
quirky
screwy
unwonted
freakish
wacky
rare
kinky
outlandish
uncustomary
quaint
whacky
nonconformist
unwonted
wild
outré
preternatural
queer
queerish
uncustomary
out-of-the-way
way-out
preternatural
far-out

Antonyms & Near Antonyms

regular
normal
typical
natural
ordinary
standard
common
familiar
everyday
routine
unremarkable
commonplace
unexceptional
usual
characteristic
customary
average
workaday
run-of-the-mine
wonted
run-of-the-mill
representative
run-of-mine
archetypal
archetypical

as in sporadic

lacking in steadiness or regularity of occurrence irregular mail delivery to the island

Synonyms & Similar Words

sporadic
intermittent
occasional
erratic
discontinuous
unpredictable
sudden
unsteady
violent
spasmodic
casual
spastic
aperiodic
episodic
fitful
episodical
choppy
volatile
spotty
haphazard
random
varying
changing
scattered
changeful
fragmentary
interrupted
unstable
catchy
arbitrary
broken
odd
fluctuating
uncertain
capricious
inconstant
convulsive
aimless
disconnected
slapdash
unsettled
variable
desultory
stray
fluid
mutable
changeable
wavering
mercurial
temperamental
hit-or-miss
hit-and-miss
fickle
flickery

Antonyms & Near Antonyms

continuous
regular
periodic
constant
habitual
steady
uniform
stable
repeated
stationary
systematic
unchanging
even
equable
orderly
changeless
unvarying
methodical
unrelenting
unremitting
methodic
unwavering

as in uneven

not having a level or smooth surface although the moon looks smooth from here, it actually has a very bumpy and irregular surface

Synonyms & Similar Words

uneven
jagged
rough
broken
rugged
wavy
ragged
lumpy
bumpy
coarse
roughened
pebbly
scraggy
unbalanced
lopsided
undulating
inexact
undulatory
rutted
nonuniform
harsh
unaligned
rutty
pitted
pocked
knobby
scratchy
nubby
burred
scraggly
knobbly
nubbly
knurled
sandpapery
knurly

Antonyms & Near Antonyms

smooth
regular
flat
uniform
level
exact
even
true
horizontal
vertical
aligned
plane
straight
tabular
alined
flush
plumb

as in informal

not rigidly following established form, custom, or rules the request is irregular, but I'll allow it

Synonyms & Similar Words

informal
unconventional
unorthodox
unauthorized
unceremonious
unofficial
heterodox
casual
lax
relaxed
easygoing
familiar
loose
ultracasual
offhand
free and easy

Antonyms & Near Antonyms

regular
formal
conventional
routine
ceremonial
orthodox
proper
correct
rigid
ceremonious
stiff
restrained
decorous
constrained
inhibited
stuffy
uptight

as in changing

not staying constant irregular gusts of wind

Synonyms & Similar Words

changing
uneven
varying
unequal
fluctuating
unstable
changeful
erratic
volatile
inconsistent
variable
unsteady
uncertain
capricious
changeable
inconstant
mercurial
mutable
fluid
unsettled
fickle
choppy

Antonyms & Near Antonyms

constant
regular
steady
stable
unvarying
unchanging
changeless

irregular

2 of 2

noun

as in regular

Synonyms & Similar Words

regular
guerrilla
paramilitary
counterguerrilla
soldier
partizan
guerilla
counterguerilla
warrior
legionary
partisan
cavalier
legionnaire
serviceman
trooper
dogface
cuirassier
dragoon
cavalryman
fighter
marine
servicewoman
man-at-arms
infantryman
foot soldier
carabinier
doughboy
raider
carabineer
grunt
commando
ranger
footman
artilleryman
musketeer
rifleman
archer
mortarman
jarhead
cannoneer
gunner
crossbowman

Antonyms & Near Antonyms

civilian
noncombatant

Synonym Chooser

The words anomalous and unnatural are common synonyms of irregular. While all three words mean "not conforming to rule, law, or custom," irregular implies not conforming to a law or regulation imposed for the sake of uniformity in method, practice, or conduct.

concerned about his irregular behavior

Although the words anomalous and irregular have much in common, anomalous implies not conforming to what might be expected because of the class or type to which it belongs or the laws that govern its existence.

her drive made her an anomalous figure in a sleepy organization

The meanings of unnatural and irregular largely overlap; however, unnatural suggests what is contrary to nature or to principles or standards felt to be essential to the well-being of civilized society.

prisoners treated with unnatural cruelty

单词	irregular
释义	irregular 1 of 2 adjective ir·reg·u·lar i-ˈre-gyə-lər ˌi(r)- 1 a : not being or acting in accord with laws, rules, or established custom irregular conduct b : not conforming to the usual pattern of inflection irregular verbs specifically : strong sense 16 c : not following a usual or prescribed procedure especially, British : celebrated without either proclamation of the banns or publication of intention to marry irregular marriage 2 : not belonging to or a part of a regular organized group specifically : not belonging to a regular army but raised for a special purpose irregular troops 3 a : lacking perfect symmetry or evenness an irregular coastline b : having one or more floral parts of the same whorl different in size, shape, or arrangement specifically : zygomorphic 4 : lacking continuity or regularity especially of occurrence or activity irregular employment irregularly adverb irregular 2 of 2 noun : one that is irregular: such as a : a soldier who is not a member of a regular military force b irregulars plural : merchandise that has minor defects or that falls next below the manufacturer's standard for firsts Synonyms Adjective aberrant aberrational abnormal anomalous atypical deviant deviate devious unnatural untypical See all Synonyms & Antonyms Example Sentences Adjective His behavior as a teacher was highly irregular. Her application was handled in an irregular manner. a very jagged, irregular surface The stone has an irregular shape. He has a very irregular schedule. The festival has been held at irregular intervals. See More Recent Examples on the Web Adjective Their ability to recover from irregular operations when most flights are only flown once per day still challenges the airline, as was seen this summer. Ben Baldanza, Forbes, 6 Dec. 2021 Currently, millions of people with an irregular heartbeat are told to take expensive blood thinners, which prevent strokes, but also increase the risk of dangerous bleeding. Mario Aguilar, STAT, 1 Sep. 2022 Men often don't experience symptoms of an irregular heartbeat at all. Erika Edwards, NBC News, 21 Aug. 2022 The most common conditions among COVID-positive children were irregular heartbeat, difficulty breathing, pulmonary embolism or deep vein thrombosis, and ear, nose, and throat disorders. Adrianna Rodriguez, USA TODAY, 13 Aug. 2022 In the short-term, those exposed may experience dizziness, an irregular heartbeat or other symptoms. Aaron Gregg, Washington Post, 1 Aug. 2022 And while most women do experience symptoms, some manage to skate by with nothing more than some irregular periods, Dr. Faubion says. Meryl Davids Landau, Good Housekeeping, 6 July 2022 Common red flags include missed or irregular report filings or inconsistencies in the amount of property or the property types that have been reported. Jon D'amato, Forbes, 11 June 2021 The symptoms of the condition include: chest pain, difficulty breathing, low blood pressure and irregular heartbeat, per Healthline. Stephanie Wenger, PEOPLE.com, 12 July 2022 Noun As volunteer companies were raised to drive out the Mexican forces — who were occupying their own country — some of the irregulars were joined by free black men. Paula Allen, ExpressNews.com, 15 Feb. 2020 Turkish troops then began shelling Kurdish towns in Syria, and Turkish forces pushed forward, irregulars executing people in ditches along the road. Time, 14 Nov. 2019 Pakistani irregulars invaded, India intervened, and the two countries fought to a stalemate. Washington Post, 15 Feb. 2019 Somehow the regulars don’t seem to mind all the irregulars who come to gawk. Joshua Levine, WSJ, 15 Jan. 2019 Instead imagine high-tech mobs, an intifada with stones and drones, locals and irregulars in improvised warfare with the feds. Lance Morrow, WSJ, 6 July 2018 Who took up arms to help their husbands in their clashes with Turkish troops and Kurdish irregulars. Stephanie Petit, PEOPLE.com, 24 Apr. 2018 The onslaught followed days of army units and pro-government irregulars mobilizing from as far as the northern city of Aleppo before massing south of the capital. Nabih Bulos, latimes.com, 20 Apr. 2018 The army's 3rd and 4th divisions, the Republican Guard, Russian forces, tribal fighters and pro-government irregulars are expected to take part in the offensive, pro-government activists said. Nabih Bulos, latimes.com, 20 Feb. 2018 See More Word History Etymology Adjective Middle English irreguler, from Anglo-French, from Late Latin irregularis not in accordance with rule, from Latin in- + regularis regular First Known Use Adjective 14th century, in the meaning defined at sense 1a Noun 15th century, in the meaning defined above Kids Definition irregular adjective ir·reg·u·lar i-ˈreg-yə-lər 1 : not following custom or rule Her methods are most irregular. 2 : not following the usual manner of inflection The verb "sell" is irregular because its past tense is "sold," not "selled." 3 : not straight, smooth, or even an irregular coastline 4 : not continuous or coming at set times He works irregular hours. Medical Definition irregular adjective ir·reg·u·lar (ˈ)ir-ˈ(r)eg-yə-lər 1 : lacking perfect symmetry of form : not straight, smooth, even, or regular irregular teeth 2 a : lacking continuity or regularity of occurrence, activity, or function irregular breathing b of a physiological function : failing to occur at regular or normal intervals irregular menstruation have your bowels been irregular c of an individual : failing to defecate at regular or normal intervals was constipated and very irregular Legal Definition irregular adjective ir·reg·u·lar ir-ˈre-gyə-lər : not in accord with laws, rules, procedures, or established custom irregular 1 of 2 adjective 1 as in abnormal departing from some accepted standard of what is normal it was a bank customer's slightly irregular behavior that made people suspicious Synonyms & Similar Words Relevance abnormal unnatural unusual anomalous atypical unusual aberrant uncommon deviant odd aberrational uncommon untypical extraordinary deviate odd eccentric bizarre unconventional strange weird extraordinary devious peculiar idiosyncratic unrepresentative rare strange funny remarkable curious peculiar unorthodox quirky screwy unwonted freakish wacky rare kinky outlandish uncustomary quaint whacky nonconformist unwonted wild outré preternatural queer queerish uncustomary out-of-the-way way-out preternatural far-out Antonyms & Near Antonyms regular normal typical natural ordinary standard common familiar everyday routine unremarkable commonplace unexceptional usual characteristic customary average workaday run-of-the-mine wonted run-of-the-mill representative run-of-mine archetypal archetypical See More 2 as in sporadic lacking in steadiness or regularity of occurrence irregular mail delivery to the island Synonyms & Similar Words sporadic intermittent occasional erratic discontinuous unpredictable sudden unsteady violent spasmodic casual spastic aperiodic episodic fitful episodical choppy volatile spotty haphazard random varying changing scattered changeful fragmentary interrupted unstable catchy arbitrary broken odd fluctuating uncertain capricious inconstant convulsive aimless disconnected slapdash unsettled variable desultory stray fluid mutable changeable wavering mercurial temperamental hit-or-miss hit-and-miss fickle flickery Antonyms & Near Antonyms continuous regular periodic constant habitual steady uniform stable repeated stationary systematic unchanging even equable orderly changeless unvarying methodical unrelenting unremitting methodic unwavering See More 3 as in uneven not having a level or smooth surface although the moon looks smooth from here, it actually has a very bumpy and irregular surface Synonyms & Similar Words uneven jagged rough broken rugged wavy ragged lumpy bumpy coarse roughened pebbly scraggy unbalanced lopsided undulating inexact undulatory rutted nonuniform harsh unaligned rutty pitted pocked knobby scratchy nubby burred scraggly knobbly nubbly knurled sandpapery knurly Antonyms & Near Antonyms smooth regular flat uniform level exact even true horizontal vertical aligned plane straight tabular alined flush plumb See More 4 as in informal not rigidly following established form, custom, or rules the request is irregular, but I'll allow it Synonyms & Similar Words informal unconventional unorthodox unauthorized unceremonious unofficial heterodox casual lax relaxed easygoing familiar loose ultracasual offhand free and easy Antonyms & Near Antonyms regular formal conventional routine ceremonial orthodox proper correct rigid ceremonious stiff restrained decorous constrained inhibited stuffy uptight See More 5 as in changing not staying constant irregular gusts of wind Synonyms & Similar Words changing uneven varying unequal fluctuating unstable changeful erratic volatile inconsistent variable unsteady uncertain capricious changeable inconstant mercurial mutable fluid unsettled fickle choppy Antonyms & Near Antonyms constant regular steady stable unvarying unchanging changeless See More irregular 2 of 2 noun as in regular Synonyms & Similar Words regular guerrilla paramilitary counterguerrilla soldier partizan guerilla counterguerilla warrior legionary partisan cavalier legionnaire serviceman trooper dogface cuirassier dragoon cavalryman fighter marine servicewoman man-at-arms infantryman foot soldier carabinier doughboy raider carabineer grunt commando ranger footman artilleryman musketeer rifleman archer mortarman jarhead cannoneer gunner crossbowman Antonyms & Near Antonyms civilian noncombatant Synonym Chooser The words anomalous and unnatural are common synonyms of irregular. While all three words mean "not conforming to rule, law, or custom," irregular implies not conforming to a law or regulation imposed for the sake of uniformity in method, practice, or conduct. concerned about his irregular behavior Although the words anomalous and irregular have much in common, anomalous implies not conforming to what might be expected because of the class or type to which it belongs or the laws that govern its existence. her drive made her an anomalous figure in a sleepy organization The meanings of unnatural and irregular largely overlap; however, unnatural suggests what is contrary to nature or to principles or standards felt to be essential to the well-being of civilized society. prisoners treated with unnatural cruelty
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irregular

adjective

noun

Synonyms

Example Sentences

Word History

Kids Definition

adjective

Medical Definition

adjective

Legal Definition

adjective

adjective

noun

Synonym Chooser