[{"Bold_text": "adjective", "List Items": ["affected with vertigo; dizzy .Synonyms: vertiginous , lightheaded", "attended with or causing dizziness:a giddy climb.", "frivolous and lighthearted; flighty :a giddy young person.Synonyms: vacillating , inconstant , fickle , mercurial , volatile , unstable"]}, {"Bold_text": "verb (used with or without object)", "List Items": ["to make or become giddy."]}]