a. | 1. | Not fixed or firm; liable to change; unstable; of a changeable mind; not firm in opinion or purpose; inconstant; capricious; |
Adj. | 1. | fickle - marked by erratic changeableness in affections or attachments; "fickle friends"; "a flirt's volatile affections" Synonyms: volatile |
2. | fickle - 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" |