fick ‧ le /ˈfɪk ə l/ BrE AmE adjective
[ Language: Old English ; Origin: ficol 'deceiving' ]
1 . someone who is fickle is always changing their mind about people or things that they like, so that you cannot depend on them – used to show disapproval OPP faithful :
an unpredictable and fickle lover
2 . something such as weather that is fickle often changes suddenly OPP reliable
—fickleness noun [uncountable] :
the fickleness of fame