Definition of "lightheaded" []

• Faint, giddy, or delirious: lightheaded with wine. (adjective)
• Given to frivolity; silly. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "By the time the dog presented her with pieces of cloth to sew, Ruth felt lightheaded from the quantity of thread she had spun and glad to stop."
• "I felt kind of lightheaded with it and it was yucky."
• "WWE News: Bret Hart writes about Summerslam in-ring return, becoming "lightheaded" when he tagged in, backstage reception, next match"