- flighty
- adjchangeful, capricious, whimsical, fanciful, impulsive; fickle, skittish, inconstant, moon-ish, changeable, variable, faddish; mercurial, volatile, undependable, unsteady, unstable; delirious, lightheaded, rattlebrained, harebrained, half-witted, mad, crazy, unbalanced, eccentric, wild, extravagant; giddy, frivolous, flyaway, fitful, erratic, irregular, spasmodic, uneven; irresolute, uncertain, indecisive, undecided, vacillating, wavering, shilly-shallying, infirm of purpose.2. irresponsible, wayward, wanton, reckless, thoughtless, heedless, lawless, abnormal, heteroclite, deviative, stray.
A Note on the Style of the synonym finder. 2014.