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giddy

[gid-ee] /ˈgɪd i/
adjective, giddier, giddiest.
1.
affected with vertigo; dizzy.
2.
attended with or causing dizziness:
a giddy climb.
3.
frivolous and lighthearted; impulsive; flighty:
a giddy young person.
verb (used with object), verb (used without object), giddied, giddying.
4.
to make or become giddy.
Origin
1000
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 forms
giddily, adverb
giddiness, noun
ungiddy, adjective
Synonyms
1. lightheaded, vertiginous. 3. unstable, volatile, fickle, inconstant, vacillating.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un-giddiest

giddy

/ˈɡɪdɪ/
adjective -dier, -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
verb -dies, -dying, -died
5.
to make or become giddy
Derived Forms
giddily, adverb
giddiness, 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
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Word Origin and History for un-giddiest

giddy

adj.

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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