Synonyms for idiosyncratic
See idiosyncratic in Webster's New World Roget's A-Z Thesaurus II
adjective
Deviating from the customary:
bizarre, cranky, curious, eccentric, erratic, freakish, odd, outlandish, peculiar, quaint, queer, quirky, singular, strange, unnatural, unusual, weird. (Slang) kooky, screwball. (British Slang) rum, rummy2. See usual
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