if
0 antonyms and opposites of if, grouped by meaning.
Conj — Used to introduce a condition: supposing that something is or were true.
How to use if
The word patterns that sound natural to a native speaker.
Etymology
From Old English gif, going back to a Proto-Germanic word meaning "when" or "if."
Full origin of if →Frequently asked questions
What does “if” mean?
The word “if” means used to introduce a condition: supposing that something is or were true. In plain terms, introduces a condition — something that may or may not be true or may or may not happen.
How do you pronounce “if”?
“If” is pronounced ihf (/ɪf/ in IPA).
How do you use “if” in a sentence?
Here is “if” used in a sentence: “If it rains, we'll move the party indoors.”
What part of speech is “if”?
Depending on how it is used, “if” can be a conjunction and a noun.
Where does the word “if” come from?
The word “if” comes from Old English. From Old English gif, going back to a Proto-Germanic word meaning "when" or "if.".
Is “if” a common word?
“If” is a very common word in modern English, usually learned at around the A1 level.
How many meanings does “if” have?
“If” has 3 distinct senses listed in this dictionary. The most common is: used to introduce a condition: supposing that something is or were true.
What is the difference between "if" and "whether"?
"If" introduces a condition ("If it rains, we'll stay in"), while "whether" introduces alternatives, especially after verbs like "know," "ask," or "decide" ("I don't know whether to go"). In formal writing, "whether" is preferred when two options are involved or before an infinitive.
Is it "if I was" or "if I were"?
Use "if I were" for situations that are imaginary or contrary to fact ("If I were rich, I'd travel"). "If I was" is used for real past possibilities ("If I was rude yesterday, I apologise"), though in casual speech many people use "was" for both.
Do you need a comma after an "if" clause?
When the "if" clause comes first, follow it with a comma: "If you're tired, go to bed." When the "if" clause comes second, no comma is normally needed: "Go to bed if you're tired".
What is the difference between "if" and "unless"?
"Unless" means "if ... not": "Unless you hurry, you'll be late" equals "If you don't hurry, you'll be late." Combining "unless" with another negative easily causes confusion, so most style advice is to keep "unless" clauses positive.