fickle

/ˈfɪk.əl/adjective

Changing opinions, loyalties, or interests often and without good reason; not dependable.

Example sentences

“Fashion trends are fickle; what's popular today is forgotten tomorrow.”
“Her fickle boyfriend changes his mind about their plans every week.”

Set phrases keep it alive: fickle fans, fickle weather, the fickle finger of fate. Applied to a person it is an accusation, not a neutral description.

Featured as word of the day on January 31, 2026.

Synonyms for fickle

changeable
unpredictable
capricious
inconstant
flighty

Antonyms

constant
loyal
steadfast

Find it in: Words to describe a person.

Related words

evasiveAvoiding direct answers or unwilling to reveal information about oneself.garrulousTalking too much, especially about unimportant things.genteelOverly polite and refined in manner, often in a way that seems artificial or old-fashioned.gruffRough and unfriendly in voice or manner.gullibleToo ready to believe what others say, and therefore easy to trick.haggardLooking very tired, thin, and unwell, usually from worry, illness, or lack of sleep.