1

if

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conjunction \ˈif, əf\

Definition of if

  1. 1a :  in the event thatb :  allowing thatc :  on the assumption thatd :  on condition that

  2. 2 :  whether asked if the mail had come I doubt if I'll pass the course

  3. 3 —used as a function word to introduce an exclamation expressing a wish if it would only rain

  4. 4 :  even though :  although perhaps an interesting if untenable argument

  5. 5 :  and perhaps not even few if any changes are expected —often used with not difficult if not impossible

if anything

  1. :  on the contrary even :  perhaps even if anything, you ought to apologize

Origin and Etymology of if

Middle English, from Old English gif; akin to Old High German ibu if


First Known Use: before 12th century


2

if

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noun \ˈif\

Definition of if

  1. 1 :  condition, stipulation the question … depends on too many ifs to allow an answer — Encounter

  2. 2 :  supposition

Examples of if in a Sentence

  1. There are too many ifs in this proposal.

  2. your conclusion may turn out to be accurate, but you're postulating a lot of ifs

1513

First Known Use of if

1513



IF Defined for English Language Learners

if

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conjunction

Definition of if for English Language Learners

  • —used to talk about the result or effect of something that may happen or be true

  • —used to discuss the imaginary result or effect of something that did not happen or that is or was not true

  • —used to say that something must happen before another thing can happen

if

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noun

Definition of if for English Language Learners

  • : something that is not certain : something that could either happen or not happen


IF Defined for Kids

if

play
conjunction \ˈif, əf\

Definition of if for Students

  1. 1 :  in the event that If it rains we'll stay home.

  2. 2 :  whether 1 See if they have left.

  3. 3 —used to introduce a wish If only it would rain.


Medical Dictionary

IF

abbreviation

Medical Definition of IF

  1. interferon



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