capricious
1. [ adjective ] changeable
Synonyms: freakish
Examples:

"a capricious summer breeze" "freakish weather"

Related terms: unpredictable
2. [ adjective ] determined by chance or impulse or whim rather than by necessity or reason
Synonyms: whimsical impulsive
Examples:

"a capricious refusal" "authoritarian rulers are frequently capricious" "the victim of whimsical persecutions"

Related terms: arbitrary
Similar spelling:   capriciously
  capriccio
  Capricornus
  Capricornis
  caprice
  capric_acid
  Capricorn