If Synonyms

32 if synonyms include on condition that, provided (that), providing (that), presuming (that), supposing (that), assuming (that), and given that. If is a conjunction, and its antonyms are unless, certainly, and definitely. Here are some additional synonyms for "if" with example sentences.

Another word for If

32 other ways to say if.

1. as long as

  • with/on the understanding that  
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  • supposing (that)  
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  • providing (that)  
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  • provided (that)  
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  • presuming (that)  
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  • on the assumption that  
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  • on condition that  
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  • in the event that  
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  • if and only if  
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  • given that  
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  • contingent on  
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  • assuming (that)  
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  • as long as  
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  • allowing that  
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  • allowing (that)  
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2. uncertainty

Use if in a Sentence

Anybody can join if they are interested.

Being an abetter means you helped someone do wrong, even if you didn’t do it yourself.

Call me if you're ready.

He wasn’t sure if she was joking or serious.

if you need help, ask.

Let me know if you agree.

Please let me know if you're coming.

Stress can lead to unhealthy habits if not managed.

Time will prove if the decision was correct.

We might visit the museum if there's time.

You qualify if you meet the requirements.