Thesaurus
why
noun
Synonyms and Antonyms of WHY
1
something (as a belief) that serves as the basis for another thing <asked the whys behind the surprising decision>
Related Words antecedent, cause, consideration, impetus, incentive, inspiration, instigation, occasion, stimulus
2
something hard to understand or explain <how one decides that a certain he or she is “the one” is one of the great whys of life>
Synonyms closed book, conundrum, enigma, head-scratcher, mystification, puzzle, puzzlement, riddle, secret
Related Words brainteaser, case, challenge, knot, matter, perplexity, poser, problem, stumper, trouble
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