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See more synonyms for giddy on Thesaurus.com
adjective, gid·di·er, gid·di·est.
  1. affected with vertigo; dizzy.
  2. attended with or causing dizziness: a giddy climb.
  3. frivolous and lighthearted; impulsive; flighty: a giddy young person.
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verb (used with or without object), gid·died, gid·dy·ing.
  1. to make or become giddy.
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Origin of giddy

before 1000; Middle English gidy, Old English gidig mad (as variant of *gydig), derivative of god God, presumably orig. “possessed by a divine being”
Related formsgid·di·ly, adverbgid·di·ness, nounun·gid·dy, adjective


See more synonyms for giddy on Thesaurus.com
1. lightheaded, vertiginous. 3. unstable, volatile, fickle, inconstant, vacillating.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for giddily


adjective -dier or -diest
  1. affected with a reeling sensation and feeling as if about to fall; dizzy
  2. causing or tending to cause vertigo
  3. impulsive; scatterbrained
  4. my giddy aunt an exclamation of surprise
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verb -dies, -dying or -died
  1. to make or become giddy
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Derived Formsgiddily, adverbgiddiness, noun

Word Origin

Old English gydig mad, frenzied, possessed by God; related to God
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for giddily


mid-13c., from giddy + -ly (2).

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Old English gidig, variant of gydig "insane, mad, stupid, possessed (by a spirit)," probably from Proto-Germanic *gud-iga-, from *gudam "god" + *-ig "possessed." Meaning "having a confused, swimming sensation" is from 1560s. Meaning "elated" is from 1540s. Related: Giddily; giddiness.

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Online Etymology Dictionary, © 2010 Douglas Harper