head-scratcher
noun
\
Definition of head-scratcher
: something that is confusing, mysterious, or hard to understand We love college football for nothing if not the belief—hope even—that at any moment the unexpected could happen. Young as it is, this season has already provided its share of jaw-droppers and head-scratchers.— Holly Anderson
Synonyms for head-scratcher
Synonyms
conundrum, enigma, mystery, mystification, puzzle, puzzlement, riddle, secret
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