if

[ if ]

/ ɪf /

SEE SYNONYMS FOR if ON THESAURUS.COM

conjunction

in case that; granting or supposing that; on condition that: Sing if you want to. Stay indoors if it rains. I'll go if you do.

even though: an enthusiastic if small audience.

whether: He asked if I knew Spanish.

(used to introduce an exclamatory phrase): If only Dad could see me now!

when or whenever: If it was raining, we had to play inside.

noun

a supposition; uncertain possibility: The future is full of ifs.

a condition, requirement, or stipulation: There are too many ifs in his agreement.

VIDEO FOR IF

WATCH NOW: These Words Are Guaranteed To Ruin An Apology

For all those apology-givers out there, listen up! These words will cancel out any apology you're trying to give.

Idioms for if

ifs, ands, or buts, reservations, restrictions, or excuses: I want that job finished today, and no ifs, ands, or buts.

Origin of if

First recorded before 900; Middle English, variant of yif, Old English gif, gef; akin to Old Norse ef “if,” Gothic ibai “whether,” Old High German iba “condition, stipulation”

synonym study for if

1, 2. If, provided, providing imply a condition on which something depends. If is general. It may be used to indicate suppositions or hypothetical conditions (often involving doubt or uncertainty): If you like, we can go straight home. If I had known, I wouldn't have gone. If may mean even though: If I am wrong, you are not right. It may mean whenever: If I do not understand, I ask questions. Provided always indicates some stipulation: I will subscribe ten dollars provided ( on the condition ) that you do, too. Provided he goes, we can go along. Providing means the same as provided, that is, just in case some certain thing should happen: We will buy the house, providing ( provided ) we can get a mortgage.

usage note for if

If meaning “whether,” as in I haven't decided if I'll go, is sometimes criticized, but the usage is long established as standard.

Words nearby if

-iensis, IEP, Ieper, -ier, Ieyasu, if, IFA, IFAD, IFALP, if anything, If at first you don't succeed, try, try again

Definition for if (2 of 2)

if²

or IF

Radio.

intermediate frequency.

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for if (1 of 2)

/ (ɪf) /

conjunction (subordinating)

in case that, or on condition thatif you try hard it might work; if he were poor, would you marry him?

used to introduce an indirect question. In this sense, if approaches the meaning of whether

even thoughan attractive if awkward girl

used to introduce expressions of desire, with onlyif I had only known
used to introduce exclamations of surprise, dismay, etcif this doesn't top everything!

as if as it would be if; as thoughhe treats me as if I were junior to him

noun

an uncertainty or doubtthe big if is whether our plan will work at all

a condition or stipulationI won't have any ifs or buts

Word Origin for if

Old English gif; related to Old Saxon ef if, Old High German iba whether, if

British Dictionary definitions for if (2 of 2)

i.f.

/ electronics /

abbreviation for

intermediate frequency

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with if

In addition to the idioms beginning with if

if anything
if at first you don't succeed, try, try again
if it ain't broke don't fix it
if only
if the mountain won't come to Muhammad, Muhammad must go to the mountain
if the shoe fits, wear it
if wishes were horses
if worst comes to worst
if you can't beat 'em, join 'em
if you can't stand the heat, get out of the kitchen

also see:

as if
damned if I do, damned if I don't
make as if to
no ifs or buts
nothing if not
(if) push comes to shove
what if

Medical definitions for if

abbr.

initiation factor

单词	if
释义	if ¹ [ if ] / ɪf / SEE SYNONYMS FOR if ON THESAURUS.COM conjunction in case that; granting or supposing that; on condition that: Sing if you want to. Stay indoors if it rains. I'll go if you do. even though: an enthusiastic if small audience. whether: He asked if I knew Spanish. (used to introduce an exclamatory phrase): If only Dad could see me now! when or whenever: If it was raining, we had to play inside. noun a supposition; uncertain possibility: The future is full of ifs. a condition, requirement, or stipulation: There are too many ifs in his agreement. VIDEO FOR IF WATCH NOW: These Words Are Guaranteed To Ruin An Apology For all those apology-givers out there, listen up! These words will cancel out any apology you're trying to give. MORE VIDEOS FROM DICTIONARY.COM Idioms for if ifs, ands, or buts, reservations, restrictions, or excuses: I want that job finished today, and no ifs, ands, or buts. Origin of if ¹ First recorded before 900; Middle English, variant of yif, Old English gif, gef; akin to Old Norse ef “if,” Gothic ibai “whether,” Old High German iba “condition, stipulation” synonym study for if 1, 2. If, provided, providing imply a condition on which something depends. If is general. It may be used to indicate suppositions or hypothetical conditions (often involving doubt or uncertainty): If you like, we can go straight home. If I had known, I wouldn't have gone. If may mean even though: If I am wrong, you are not right. It may mean whenever: If I do not understand, I ask questions. Provided always indicates some stipulation: I will subscribe ten dollars provided ( on the condition ) that you do, too. Provided he goes, we can go along. Providing means the same as provided, that is, just in case some certain thing should happen: We will buy the house, providing ( provided ) we can get a mortgage. usage note for if If meaning “whether,” as in I haven't decided if I'll go, is sometimes criticized, but the usage is long established as standard. Words nearby if -iensis, IEP, Ieper, -ier, Ieyasu, if, IFA, IFAD, IFALP, if anything, If at first you don't succeed, try, try again Definition for if (2 of 2) if² or IF Radio. intermediate frequency. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for if (1 of 2) if / (ɪf) / conjunction (subordinating) in case that, or on condition thatif you try hard it might work; if he were poor, would you marry him? used to introduce an indirect question. In this sense, if approaches the meaning of whether even thoughan attractive if awkward girl used to introduce expressions of desire, with onlyif I had only known used to introduce exclamations of surprise, dismay, etcif this doesn't top everything! as if as it would be if; as thoughhe treats me as if I were junior to him noun an uncertainty or doubtthe big if is whether our plan will work at all a condition or stipulationI won't have any ifs or buts Word Origin for if Old English gif; related to Old Saxon ef if, Old High German iba whether, if British Dictionary definitions for if (2 of 2) IF i.f. / electronics / abbreviation for intermediate frequency Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with if if In addition to the idioms beginning with if if anything if at first you don't succeed, try, try again if it ain't broke don't fix it if only if the mountain won't come to Muhammad, Muhammad must go to the mountain if the shoe fits, wear it if wishes were horses if worst comes to worst if you can't beat 'em, join 'em if you can't stand the heat, get out of the kitchen also see: as if damned if I do, damned if I don't make as if to no ifs or buts nothing if not (if) push comes to shove what if The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. Words related to if whenever, wherever Medical definitions for if IF abbr. initiation factor The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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if

conjunction

noun

VIDEO FOR IF

WATCH NOW: These Words Are Guaranteed To Ruin An Apology

Idioms for if

Origin of if

synonym study for if

usage note for if

Words nearby if

Definition for if (2 of 2)

or IF

Radio.

British Dictionary definitions for if (1 of 2)

conjunction (subordinating)

noun

Word Origin for if

British Dictionary definitions for if (2 of 2)

i.f.

abbreviation for

Idioms and Phrases with if

Words related to if

Medical definitions for if

abbr.