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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.

People feel emotionally unwell and exhausted because they know that something is deeply wrong with their society and politics.

From Salon • May 28, 2026

This rule almost certainly makes passengers much less likely to see a doctor unless they’re feeling very unwell.

From Slate • May 16, 2026

On learning of the arrest warrant, James called for an ambulance for his brother and claimed he had fallen unwell on 14 August and could not walk.

From BBC • May 12, 2026

A French woman repatriated from the Hondius felt unwell late on May 10 and tested positive for hantavirus, France's Health Minister Stephanie Rist said.

From Barron's • May 11, 2026

Ifemelu wished that she had noticed that Esther was unwell.

From "Americanah" by Chimamanda Ngozi Adichie

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