DictionaryfickleUnpredictably changeable
adjective

fickle

FIK-uhl/ˈfɪkl/

Changing loyalties, interests, or opinions unpredictably.

The fickle hobbyist abandons unfinished knitting and painting to try the ukulele.

Person abruptly sets aside one half-finished hobby and reaches for a different one: unfinished knitting beside abandoned paint palette while new ukulele now interests them; changing interest clear, no judgmental stereotype.
Etymology

Fickle probably comes from Old English ficol, meaning deceitful or cunning. Its earlier sense of treachery shifted toward inconstancy: changing loyalties or opinions rather than necessarily practicing deceit.

In context

StoicMindset3656:36
The praise of others is fickle and entirely outside your command. Investing your sense of self in these externals is like building a house on shifting sand.
The Stoic DICHOTOMY That Shrinks Daily Pressure Without Fixing Everything

More examples

  • Her fickle taste in music makes choosing a gift difficult.
  • Voters are fickle, so an early lead guarantees nothing.
  • My fickle brother has a new favorite hobby every month.

Forms

fickle · fickler · ficklest

fickleness noun — The tendency to change loyalties or interests unpredictably.

Similar words

capricious
Emphasizes sudden whims in decisions or behavior, not just loyalties.
inconstant
Emphasizes failure to remain loyal or steady over time.