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Definition of lightheadedness

lightheadedness

/ˌlaɪtˈhɛd.ɪd.nəs/
light · head · ed · ness
Adverb:lightheadedly
•
Adjective:lightheaded
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lightheadedness Lexical Profile

lightheadedness Game Scores & Validity

• noun

1

A physical sensation of dizziness, faintness, or unsteadiness, often feeling as though one might pass out.

Example

"Standing up too quickly after a long rest can cause temporary lightheadedness."

2

The state or quality of being carefree, frivolous, or lacking serious thought and judgment.

Example

"After passing their final exams, a joyful lightheadedness overtook the entire graduating class."

Synonyms
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Antonyms
View all antonyms for lightheadedness

Word Nuance & Usage

In clinical and careful usage, lightheadedness refers to a feeling of faintness or unsteadiness, whereas vertigo specifically describes the false sensation that oneself or one's surroundings are spinning.

• Rhymes for lightheadedness

• Nearby Words

lightening
lighter
lightheaded
lightheadedness
lighthearted
lightheartedly
lightheartedness

Cite this Entry

Wordmom. (2026). Definition of Lightheadedness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lightheadedness
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