Synonyms for fickle

Adjective

1. fickle, volatile, inconstant (vs. constant)

usage: marked by erratic changeableness in affections or attachments; "fickle friends"; "a flirt's volatile affections"

2. erratic, fickle, mercurial, quicksilver(prenominal), changeable (vs. unchangeable), changeful

usage: liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"