Bewildering on account of rapid turning; running round with celerity; gyratory; whirling
If you feel giddy, you feel unsteady and think that you are about to fall over, usually because you are not well. He felt giddy and light-headed. = dizzy + giddiness gid·di·ness A wave of giddiness swept over her
If you feel giddy with delight or excitement, you feel so happy or excited that you find it hard to think or act normally. Anthony was giddy with self-satisfaction Being there gave me a giddy pleasure. + giddiness gid·di·ness There's almost a giddiness surrounding the talks in Houston
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
having or causing a whirling sensation; liable to falling; "had a dizzy spell"; "a dizzy pinnacle"; "had a headache and felt giddy"; "a giddy precipice"; "feeling woozy from the blow on his head"; "a vertiginous climb up the face of the cliff"
lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"