fickle
[adjective]
Synonyms: changeable, capricious, faithless, inconstant, irresolute, temperamental, unfaithful, variable, volatile

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Antonyms: constant, true
Contrasted words: stable, unchanging
Related Words: unfaithful, undependable, unreliable

[TahlilGaran] English Synonym Dictionary ▲

fick‧le /ˈfɪkəl/ adjective
[Language: Old English; Origin: ficol 'deceiving']

1. someone who is fickle is always changing their mind about people or things that they like, so that you cannot depend on them – used to show disapproval Antonym : faithful:
an unpredictable and fickle lover

2. something such as weather that is fickle often changes suddenly Antonym : reliable
—fickleness noun [uncountable]:
the fickleness of fame

[TahlilGaran] Dictionary of Contemporary English ▲

fickle
adj.
VERBS be
ADV. very | a bit, rather | notoriously The television world was a notoriously fickle one.

[TahlilGaran] Collocations Dictionary ▲