1. (

• faint ,
• light ,
• swooning ,
• light-headed ,
• lightheaded

) weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep" ;

2. (

• airheaded ,
• dizzy ,
• empty-headed ,
• featherbrained ,
• giddy ,
• light-headed ,
• lightheaded ,
• silly

) lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles" ;