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Synonyms

unwell

American  
[uhn-wel] / ʌnˈwɛl /

adjective

  1. not well; ailing; ill.

  2. Older Use. menstruating.


unwell British  
/ ʌnˈwɛl /

adjective

  1. (postpositive) not well; ill

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of unwell

late Middle English word dating back to 1400–50; see origin at un- 1, well 1

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.

See Examples For:

"We're not saying people are suddenly going to become unwell when we cross a certain threshold," he said.

From Science Daily Aug. 15, 2026

“There’s nothing that will make you feel more unwell than being treated as if you’re unwell,” she wrote.

From Los Angeles Times Aug. 12, 2026

But many older and unwell residents -- in a country with the world's second-oldest population -- are taking shelter in school gyms and municipal offices.

From Barron's Jul. 30, 2026

To her owners, Gelsomina is simply a beloved pet who is growing increasingly detached and unwell.

From The Wall Street Journal Jul. 29, 2026

“I am unwell and baffled and compromised. I would like to sleep.”

From "Louisiana's Way Home" by Kate DiCamillo

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