from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having a reeling, lightheaded sensation; dizzy.
- adj. Causing or capable of causing dizziness: a giddy climb to the topmast.
- adj. Frivolous and lighthearted; flighty.
- transitive v. To become or make giddy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. dizzy, feeling dizzy or unsteady and as if about to fall down
- adj. causing dizziness: causing dizziness or a feeling of unsteadiness
- adj. lightheartedly silly, or joyfully elated
- adj. Frivolous, impulsive, inconsistent, changeable.
- v. To make dizzy or unsteady.
from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
- adj. Promoting or inducing giddiness
- adj. Bewildering on account of rapid turning; running round with celerity; gyratory; whirling.
- adj. Characterized by inconstancy; unstable; changeable; fickle; wild; thoughtless; heedless.
- intransitive v. To reel; to whirl.
- transitive v. To make dizzy or unsteady.
from The Century Dictionary and Cyclopedia
- Foolishly light or frivolous; governed by wild or thoughtless impulses; manifesting exuberant spirits or levity; flighty; heedless.
- Characterized by or indicating giddiness or levity of feeling.
- Affected with vertigo, or a swimming sensation in the head, causing liability to reel or fall; dizzy; reeling: as, to be giddy from fever or drunkenness, or in looking down from a great height.
- Adapted to cause or to suggest giddiness; of a dizzy or dizzying nature; acting or causing to act giddily.
- = Syn. 1 and 2. Careless, reckless, headlong, flighty, hare-brained, light-headed.
- To make dizzy or unsteady.
- To turn quickly; reel.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having or causing a whirling sensation; liable to falling
- adj. lacking seriousness; given to frivolity
Middle English gidi, crazy, from Old English gidig.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English gidi, gydi ("foolish"), from Old English gydiġ ("possessed by a spirit or demon, mad, insane"), from Proto-Germanic *gudīgaz (“ghostly, spirited”), equivalent to god + -y. (Wiktionary)