1.
capricious; whimsical; fickle
Acting on sudden impulses or changing moods unpredictably.
彼は気まぐれな性格だ。
He has a capricious personality.
猫は気まぐれな動物だ。
Cats are capricious animals.
2.
whim; caprice
A sudden, impulsive action or decision (noun usage).
気まぐれで髪を切った。
I cut my hair on a whim.
WORD FORMATION:
気 (mind, mood) + まぐれ (random, chance) → random mood = capricious
FORMS:
- 気まぐれな人 - a capricious person
- 気まぐれで - on a whim
- 気まぐれに - capriciously
COMMON EXPRESSIONS:
- 気まぐれな天気 - unpredictable weather
- 気まぐれな猫 - a capricious cat
- 気まぐれで買う - to buy on impulse
NUANCE:
Can be used neutrally (describing unpredictability), positively (charmingly spontaneous), or negatively (unreliable). Often used affectionately for cats and similar behaviors.