Definitions

lightheaded

[lahyt-hed-id] / ˈlaɪtˈhɛd ɪd /

ADJECTIVE

silly

Synonyms

WEAK

bird-brained changeable delirious dizzy empty-headed faint featherbrained fickle flighty flippant foolish frivolous gaga giddy harebrained hazy inane light-headed punchy reeling rocky scatterbrained shallow superficial swimming swimmy tired trifling vertiginous whirling woozy

Antonyms

WEAK

gloomy miserable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This was why I’d been feeling so lightheaded, and it was the cause of my hoarseness.

From Slate • Apr. 18, 2026

Certainly not lightheaded, or with his empty belly growling from hunger.

From Los Angeles Times • Jun. 12, 2025

“I was so lightheaded from screaming that I almost fainted,” the 26-year-old told NBC in a phone interview.

From Salon • Jul. 31, 2024

If at any point you feel lightheaded or dizzy, stop immediately and check in with a health care provider.

From Seattle Times • May 20, 2024

The noise and the smoke and the press of people made me lightheaded and limpsy.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly