inexcusable
adjective
in·ex·cus·able ˌi-nik-ˈskyü-zə-bəl 
: impossible to excuse or justify
inexcusable rudeness
inexcusableness noun
inexcusably
ˌi-nik-ˈskyü-zə-blē
adverb 
Synonyms
- indefensible
- inexpiable
- insupportable
- unforgivable
- unjustifiable
- unpardonable
- unwarrantable
See all Synonyms & Antonyms 
Example Sentences
spitting at a teacher is inexcusable behavior and will be severely punished
Recent Examples on the Web Nolan’s third-quarter interception was inexcusable. 
oregonlive, 4 Sep. 2022 The unprofessional banter was inexcusable then and remains distasteful now. Emily Anderson Stern, The Salt Lake Tribune, 3 Sep. 2022 The myriad injuries are a reason for the team’s collapse, but the absence of depth behind the regulars is inexcusable. Chad Finn, BostonGlobe.com, 28 July 2022 The other suggests that while vaccine inequity in 2021 was inexcusable, poor countries now have enough to last them a while. Achal Prabhala, Scientific American, 11 July 2022 Defeatism in the face of urgent need is inexcusable. Michael Hiltzik, Los Angeles Times, 1 June 2022 What happened to the young player is inexcusable and damage from the widespread and untruthful accusations have devastated his entire family. cleveland, 25 May 2022 It’s not merely the emerging timelines that point to the inexcusable cowardice of local law enforcement at the scene, but the ever-growing toll of firearm deaths across the country. Michael Hiltzik, Los Angeles Times, 1 June 2022 What your nervy acquaintance did was breach whatever privacy is left in our society these days, which was thoughtless, rude and inexcusable. Abigail Van Buren, oregonlive, 17 May 2022 See More
oregonlive, 4 Sep. 2022 The unprofessional banter was inexcusable then and remains distasteful now. Emily Anderson Stern, The Salt Lake Tribune, 3 Sep. 2022 The myriad injuries are a reason for the team’s collapse, but the absence of depth behind the regulars is inexcusable. Chad Finn, BostonGlobe.com, 28 July 2022 The other suggests that while vaccine inequity in 2021 was inexcusable, poor countries now have enough to last them a while. Achal Prabhala, Scientific American, 11 July 2022 Defeatism in the face of urgent need is inexcusable. Michael Hiltzik, Los Angeles Times, 1 June 2022 What happened to the young player is inexcusable and damage from the widespread and untruthful accusations have devastated his entire family. cleveland, 25 May 2022 It’s not merely the emerging timelines that point to the inexcusable cowardice of local law enforcement at the scene, but the ever-growing toll of firearm deaths across the country. Michael Hiltzik, Los Angeles Times, 1 June 2022 What your nervy acquaintance did was breach whatever privacy is left in our society these days, which was thoughtless, rude and inexcusable. Abigail Van Buren, oregonlive, 17 May 2022 See More Word History
Etymology
Middle English, from Latin inexcusabilis, from in- + excusabilis excusable
First Known Use
15th century, in the meaning defined above
Kids Definition
inexcusable
adjective
in·ex·cus·able ˌi-nik-ˈskyü-zə-bəl
: not to be excused
Waste is inexcusable.
inexcusable
adjective
as in unacceptable
too bad to be excused or justified spitting at a teacher is inexcusable behavior and will be severely punished Synonyms & Similar Words
Relevance
- unacceptable
- unforgivable
- unjustifiable
- outrageous
- unpardonable
- indefensible
- unwarrantable
- insupportable
- vicious
- unbearable
- intolerable
- inexpiable
- abominable
- egregious
- atrocious
- glaring
- evil
- heinous
- shocking
- flagrant
- insufferable
- unendurable
- deplorable
- monstrous
- cruel
- scandalous
- untenable
- prohibited
- condemned
- gross
- vile
- reprehensible
- despicable
- contemptible
- wicked
- iniquitous
- ignoble
- execrable
- outlawed
- forbidden
- wretched
- blameworthy
- base
- rank
- reprobate
- disallowed
- banned
- censurable
- proscribed
- dirty
- nasty
- barred
- blamable
- interdicted
Antonyms & Near Antonyms
- justifiable
- acceptable
- pardonable
- tolerable
- defensible
- forgivable
- excusable
- venial
- permissible
- legal
- permitted
- authorized
- tolerated
- allowed
- approved
- endorsed
- sanctioned
- good
- supported
- promoted
- moral
- ethical
- encouraged
- virtuous
- abetted
- indorsed