Pronunciation (US) (UK) IPA (key): /ˈɡɪdi/ Audio (US)(file) Hyphenation: gid‧dy Adjective Positive giddy Comparative giddier Superlative giddiest If you feel giddy, you have a spinning sensation in the head causing you to have a perception of being unsteady and being about to fall. Synonym: dizzyWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads