Synonyms of flightiness

1 Syllable
hooey
2 Syllables
lightness, archness
3 Syllables
transience, fickleness, fitfulness, dizziness, giddiness, levities, levity, tommyrot, nonsense, shakiness, flippancy
4 Syllables
facetiousness, inconstancy, airheadedness, mercurialness, unsureness, capriciousness, changeableness, precariousness, unfixedness, frivolity, unsteadiness, whimsicalness
5 Syllables
instabilities, changeability, disequilibrium, impermanence, volatility, whimsicality, insecureness, variability, instability, mutability
7 Syllables
unpredictability