Doubt, allowing (that), condition, and constraint are all synonyms for if. Unless, certainly, and definitely are antonyms of if. And here are 33 another word for if.
Allowing (that), as long as, assuming (that), contingent on, given that, if and only if, in the event that, on condition that, on the assumption that, presuming (that), provided (that), providing (that), supposing (that), with/on the understanding that, and allowing that are all synonyms for if.
Condition, constraint, doubt, hesitation, lack of certainty, precondition, prerequisite, provision, proviso, requirement, restriction, specification, stipulation, supposition, uncertainty, vagueness, and modification are all another word for if.
If synonym page has a variety of synonyms that differ in length. 1 synonym with 5, 7, 8, 14, 19, and 26 letters and 4 synonyms with 9, and 13 letters. 2 synonyms with 10, and 15 letters and 6 synonyms with 11, and 12 letters. For a total of 30 another word for if.
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