Synonym word of if and only if:

contingent upon, given, if, if and only if, in case, in the case that, in the event, on condition, on the assumption, on these terms, subject to, supposing, with the proviso


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular