1. (a.) Silly; dizzy; lightheaded\; having in the head a sensation of whirling or reeling about; having lost the power of preserving the balance of the body, and therefore wavering and inclined to fall; lightheaded; dizzy.

2. (superl.) Promoting or inducing giddiness; as, a giddy height; a giddy precipice.

3. (superl.) Bewildering on account of rapid turning; running round with celerity; gyratory; whirling.

4. (superl.) Characterized by inconstancy; unstable; changeable; fickle; wild; thoughtless; heedless.

5. (v. i.) To reel; to whirl.

6. (v. t.) To make dizzy or unsteady.

addled adrift afloat alternating amorphous babbling beery bemused besotted blind drunk brainless capricious changeable changeful crapulent crapulous delirious desultory deviable dizzy drenched drunk drunken eccentric empty-headed erratic faint far-gone fast and loose featherbrained featherheaded fickle fitful flickering flighty flitting fluctuating flustered fluttery fou freakish fribble fribbling frivolous full gaga gay giddy-brained giddy-headed giddy-pated giddy-witted glorious happy harebrain harebrained impetuous impulsive in liquor incoherent inconsistent inconstant indecisive inebriate inebriated inebrious infirm intoxicated irregular irresolute irresponsible jolly light light-headed lightheaded maudlin mazy mellow mercurial merry moody muddled nappy off rambling ranting rattlebrained rattleheaded rattlepated raving reckless reeling restless roving scatterbrained scramblebrained shapeless shatterbrained shifting shifty shikker shuffling silly skittish sodden sotted spasmodic spineless swimming thoughtless tiddly tipsy turned around unaccountable uncertain uncontrolled undependable under the influence undisciplined unfixed unpredictable unreliable unrestrained unsettled unstable unstable as water unstaid unsteadfast unsteady vacillating vagrant variable vertiginous vicissitudinary vicissitudinous volatile wandering wanton wavering wavery wavy wayward whimsical wishy-washy witless woozy yeasty