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

Mrs Chesterton told the BBC that her daughter had "difficulty walking" and "was breathless and lightheaded".

From BBC • May 14, 2025

Twice in recent weeks, Alvarez said, she grew lightheaded and ended up vomiting in the restroom.

From Los Angeles Times • Aug. 29, 2024

“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

Minli won-dered if flying had somehow made him lightheaded.

From "Where the Mountain Meets the Moon" by Grace Lin