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Definition of unwell
unwell
/ʌnˈwɛl/
un · well
unwell Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 5k
Syllables
2
unwell Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Suffering from an illness or poor health; not feeling healthy or well.
Example
"She left the meeting early because she was feeling unwell and needed to rest."
Synonyms
View all synonyms for unwell Antonyms
View all antonyms for unwellWord Nuance & Usage
"Unwell" is almost exclusively used as a predicate adjective following a linking verb (e.g., "feeling unwell") rather than directly before a noun.
• Rhymes for unwell
• Nearby Words
Word Origin & Etymology
Formed in the 15th century from the negative prefix "un-" and the Old English root "wel" (meaning "in good condition"), it became a widely adopted polite alternative to "sick" in the late 18th century.
Cite this Entry
Wordmom. (2026). Definition of Unwell. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unwell