- The definition of fickle is changing your mind easily and often.
An example of fickle is a child’s short attention span to new toys.
Origin of fickleMiddle English fikel ; from Old English ficol, tricky ; from base of befician, to deceive, akin to gefic, betrayal, deceit: for Indo-European base see fey
Origin of fickleMiddle English fikel, from Old English ficol, deceitful.
(comparative fickler or more fickle, superlative ficklest or most fickle)
(third-person singular simple present fickles, present participle fickling, simple past and past participle fickled)