Definition and meaning of English word "if"
if
/ɪf/
Meaning
ConjunctionSupposing that, assuming that, in the circumstances that; used to introduce a condition that may be (or prove to be) either true or false.
How to use
The conjunction 'if' is commonly used in conditional sentences to express a hypothetical or uncertain situation. For example, 'If it rains, we will cancel the picnic.' In formal writing, it's essential to use 'if' correctly to avoid ambiguity. For instance, 'If I were you, I would not do that' is a common mistake, as it should be 'Were I you, I would not do that.'
🇬🇧 English
if
Example
I go if you go.
He comes if she comes.
Your personal vocabulary
🦊 Use this word in a live AI conversationSynonyms
Common phrases
- if only— if only something were true
- if anything— if anything happens
- if not— if something is not true
- if possible— if something is possible
- if necessary— if something is necessary
This concept in other languages
Frequency rank: #77 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "if" mean?▼
The English word "if" means "if" in English.
How do you pronounce the English word "if"?▼
You can hear the correct audio pronunciation of the word "if" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "if"?▼
Yes, here is a practical example: "Do it if possible." (which translates as "if").
More Connectors & Prepositions words
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →