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Definition of drowsiness

drowsiness

/ˈdraʊzinəs/
drow · si · ness
Adverb:drowsily
•
Adjective:drowsy
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drowsiness Lexical Profile

drowsiness Game Scores & Validity

• noun

1

A state of feeling abnormally sleepy, tired, and sluggish, or on the verge of falling asleep.

Example

"The allergy medication carries a warning label because it can cause severe drowsiness when operating heavy machinery."

Synonyms
View all synonyms for drowsiness
Antonyms
View all antonyms for drowsiness

• Rhymes for drowsiness

• Nearby Words

drown
drowse
drowsily
drowsiness
drowsy
drubbing
drudge

Word Origin & Etymology

Formed in the early 16th century from the adjective 'drowsy' plus the suffix '-ness', ultimately tracing back to the Old English verb 'drusian', meaning to become sluggish, languid, or slow.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

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