• WordNet 3.6
    • adj giddy lacking seriousness; given to frivolity "a dizzy blonde","light-headed teenagers","silly giggles"
    • adj giddy 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"
    • ***
Webster's Revised Unabridged Dictionary
    • Giddy Bewildering on account of rapid turning; running round with celerity; gyratory; whirling. "The giddy motion of the whirling mill."
    • Giddy Characterized by inconstancy; unstable; changeable; fickle; wild; thoughtless; heedless. "Giddy , foolish hours.""Giddy chance.""Young heads are giddy and young hearts are warm."
    • Giddy 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. "By giddy head and staggering legs betrayed."
    • Giddy Promoting or inducing giddiness; as, a giddy height; a giddy precipice. "Upon the giddy footing of the hatches."
    • v. t Giddy To make dizzy or unsteady.
    • v. i Giddy To reel; to whirl.
    • ***
Century Dictionary and Cyclopedia
    • giddy Foolishly light or frivolous; governed by wild or thoughtless impulses; manifesting exuberant spirits or levity; flighty; heedless.
    • giddy Characterized by or indicating giddiness or levity of feeling.
    • giddy 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.
    • giddy Adapted to cause or to suggest giddiness; of a dizzy or dizzying nature; acting or causing to act giddily.
    • giddy = Syn. 1 and 2. Careless, reckless, headlong, flighty, hare-brained, light-headed.
    • giddy To make dizzy or unsteady.
    • giddy To turn quickly; reel.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Giddy gid′i unsteady, dizzy: that causes giddiness: whirling: inconstant: thoughtless
    • ***


  • Niels Bohr
    Niels Bohr
    “If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.”


A hitch in your giddy-up - If you have a hitch in your giddy-up, you're not feeling well. ('A hitch in your gittie-up' is also used.)


Webster's Revised Unabridged Dictionary
OE. gidi, mad, silly, AS. gidig, of unknown origin, cf. Norw. gidda, to shake, tremble
Chambers's Twentieth Century Dictionary
From A.S. giddian, to sing, be merry, gid, a song.


In literature:

This warning takes many forms, the two most common being a "sinking" or feeling of distress in the stomach, and giddiness.
"Epilepsy, Hysteria, and Neurasthenia" by Isaac G. Briggs
Durtal turned away to sound the depths of darkness, and before him, at a giddy height on the horizon, more sword-blades gleamed.
"The Cathedral" by Joris-Karl Huysmans
But what it was she could not guess, unless, and she, too, felt faint and giddy for a moment, as a new idea entered her mind.
"Tracy Park" by Mary Jane Holmes
After attaining a considerable elevation, he looked down from the giddy heights upon the valley he had just traversed.
"The Lancashire Witches" by William Harrison Ainsworth
It was a sacrifice, though giddy Mollie had never thought it so before.
"The Unseen Bridgegroom" by May Agnes Fleming
She had a way of lifting me up when I teased her that turns me giddy to remember: I was quite a child in her hands.
"Uncle Max" by Rosa Nouchette Carey
Then he felt suddenly giddy and stood still.
"The Turtles of Tasman" by Jack London
I thought I'd get mended and then be a giddy idler for a year or so.
"Poor Man's Rock" by Bertrand W. Sinclair
He felt the strength leaving his limbs and his head turning giddy.
"The Lost Treasure of Trevlyn" by Evelyn Everett-Green
Her head swam with the giddiness of it.
"Sally Bishop" by E. Temple Thurston

In poetry:

Hech! they were giddy songs he'd sung,
And the yarns which he'd spun were "free"! -
For the liquor that nicht had loosed the tongue
O' gudeman Jock M'Phee.
"The Reprobate's Reply" by Harry Breaker Morant
With passioned and thrilling embracement,
With straining of breast unto breast,
With sighing and trembling and transport--
In lust's unrestrained, giddy zest--
"Tamara" by Mikhail Yuryevich Lermontov
Crowds of bees are giddy with clover,
Crowds of grasshoppers skip at our feet,
Crowds of larks at their matins hang over,
Thanking the Lord for a life so sweet.
"Divided" by Jean Ingelow
Yet tell me, gentle spot, why crouds resort
To revel oft thy scenes among?
More suited thou for love, or reason's court,
Than the gay madness of the giddy throng.
"Weymouth" by Charlotte Dacre
This for a moment only, presently
He rode on giddy still, until he reach'd
A place of apple-trees, by the thorn-tree
Wherefrom St. Joseph in the days past preached.
"King Arthur's Tomb" by William Morris
And feels himself, like one in sleep,
Glide swiftly down again,
A helpless weight, from steep to steep,
Till, with a headlong giddy sweep,
He drops upon the plain -
"Phantasmagoria Canto VI ( Dyscomfyture )" by Lewis Carroll

In news:

I feel giddy knowing I have a proper date to go on tonight.
Whenever Lou Reed thinks he's feeling a little too giddy, he turns on Lana Del Rey.
The 6th annual Fashion Show "Giddy Up Giddy Fun" included lunch, raffles, vendors, a silent auction and door prizes.
GOP plans make this Democrat giddy .
190-million jackpot has Oz all giddy .
With 3 in Top 25, Big East giddy .
Excuse Big East commissioner Mike Aresco if he's feeling a bit giddy this week.
Yankees giddy over Raul Ibanez's homers — even A-Rod.
With giddy celebration on Olympic podium, Claressa Shields completes triumph over rough circumstances.
New Fresno State offense makes Derek Carr giddy .
Birthday dinner leaves chef just giddy .
Marcell Dareus giddy over Buffalo Bills' new defensive line.
Giddy Up, Let's Go' helps animals.
" Giddy Up, Let's Go to the Rodeo" was the theme of the Jefferson County Animal Welfare League's annual benefit that was held July 8 at St Florian Hall in Wintersville.
Despite the fact it was a cold December morning and I experienced a delightfully giddy glow, it has nothing to do with the Christmas season.