flightiness

Nouns

(n) the trait of acting unpredictably and more from whim or caprice than from reason or judgment
- I despair at the flightiness and whimsicality of my memory
arbitrariness, whimsicality, capriciousness, whimsey, whimsy,

Synonyms

arbitrariness whimsicality capriciousness whimsey whimsy

Words of close approximity