WordWeb Online

1. Weak and likely to lose consciousness
   "a swooning fit";
   - faint, light, light-headed, lightheaded

1. Pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
   - faint, conk [informal], pass out

See also: ill, sick

Type of: black out, pass out, zonk [informal], zonk out [informal]

Encyclopedia: Swooning