if

/ɪf/
conjunction
  1. Used to introduce a condition or possibility.
    • You can go to the party if you finish your homework.
    • If it rains, we will stay inside.
    • If I had known, I would have called you.
  2. Used to introduce a question or indirect question, often meaning 'whether'.
    • I wonder if she is coming to the meeting.
    • He asked if I had seen his keys.
    • Do you know if the store is open?
  3. Used to express a wish or regret (often with 'only').
    • If he would just listen, everything would be fine.
    • If only I could fly!
    • If I had more time, I would travel the world.
  4. Used to introduce a contrast or concession (meaning 'although' or 'even though').
    • He is a kind man, if somewhat strict.
    • It was a good plan, if expensive.
    • The view was beautiful, if a bit cloudy.
Synonyms
Antonyms
noun
  1. A condition or stipulation; an uncertainty.
    • There are too many ifs in this contract.
    • We need to consider all the ifs before making a decision.
    • Life is full of ifs and buts.
What does "if" mean? | whatsthatwordmean | whatsthatwordmean