- marked by erratic changeableness in affections or attachments; "fickle friends"; "a flirt's volatile affections"
- erratic: 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"
- (fickleness) faithlessness: unfaithfulness by virtue of being unreliable or treacherous
- Quick to change one’s opinion or allegiance; insincere; not loyal or reliable
- (fickleness) The quality of being fickle
- liable to sudden unpredictable change
- Changeable, inconsistent, unstable
- inconstante; veleidoso; voluble