1. (adj)capricious, impulsive, whimsical determined by chance or impulse or whim rather than by necessity or reason Synonyms: brainish, capricious, tearaway(a), whimsical, impetuous, unprompted, freakish, driving, impulsive, madcap, hotheaded Antonyms: nonarbitrary, unarbitrary
Synonyms, Thesaurus & Antonyms of 'whimsical'
English Synonyms and Antonyms
1. whimsical Odd is unmated, as an odd shoe, and so uneven, as an odd number. Singular is alone of its kind; as, the singular number. What is singular is odd, but what is odd may not be singular Synonyms: queer, anomalous, erratic, odd, strange, bizarre, extraordinary, peculiar, uncommon, comical, fantastic, preposterous, unique, crotchety, funny, quaint, unmatched, curious, grotesque, ridiculous, unusual, droll, laughable, singular, whimsical, eccentric, ludicrous Antonyms: common, familiar, normal, regular, customary, natural, ordinary, usual
Synonyms for whimsical 
