WHIMSICAL
capricious, impulsive, whimsical
(adjective) determined by chance or impulse or whim rather than by necessity or reason; “a capricious refusal”; “authoritarian rulers are frequently capricious”; “the victim of whimsical persecutions”
Source: WordNet® 3.1
Etymology
Adjective
whimsical (comparative more whimsical, superlative most whimsical)
Given to whimsy
Synonyms
• idiosyncratic, outlandish, peculiar, pixilated, playful, quirky, unconventional
• See also witty
Source: Wiktionary
Whim"si*cal, a. Etym: [From Whimsey.]
1. Full of, or characterized by, whims; actuated by a whim; having
peculiar notions; queer; strange; freakish. "A whimsical insult."
Macaulay.
My neighbors call me whimsical. Addison.
2. Odd or fantastic in appearance; quaintly devised; fantastic. "A
whimsical chair." Evelyn.
Syn.
– Quaint; capricious; fanciful; fantastic.
Source: Webster’s Unabridged Dictionary 1913 Edition