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Adjective: giddy (giddier,giddiest)  gi-dee
  1. Having or causing a whirling sensation; liable to falling
    "had a headache and felt giddy"; "a giddy precipice";
    - dizzy, woozy [informal], vertiginous
  2. Lacking seriousness; given to frivolity
    "a giddy blonde";
    - airheaded, dizzy, empty-headed, featherbrained, light-headed, lightheaded, silly
Verb: giddy  gi-dee
  1. Make or become dizzy

Derived forms: giddier, giddied, giddies, giddiest, giddying

See also: frivolous, ill, sick

Encyclopedia: Giddy