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Synonyms

poorly

American  
[poor-lee] / ˈpʊər li /

adverb

  1. in a poor manner or way.

    The team played poorly.


adjective

  1. in poor health; somewhat ill.

    I hear she's been poorly.

poorly British  
/ ˈpɔː-, ˈpʊəlɪ /

adverb

  1. in a poor way or manner; badly

"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

adjective

  1. informal (usually postpositive) in poor health; rather ill

    she's poorly today

"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

Etymology

Origin of poorly

First recorded in 1250–1300, poorly is from the Middle English word pourely. See poor, -ly

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.

Even though scientists have studied the phenomenon for decades, many of its underlying mechanisms remain poorly understood.

From Science Daily • May 29, 2026

Mr. Vance had a point—the pontiff’s remarks about the war sounded poorly thought through—but the two disciplines don’t separate so easily.

From The Wall Street Journal • May 27, 2026

Zscaler tumbled 32% on Wednesday after a poorly received earnings report.

From Barron's • May 27, 2026

According to after-school association SOS-Périscolaire, the main problem has been the low quality of animateurs, who are poorly paid and at most need only a basic certificate in child management to get a job.

From BBC • May 25, 2026

I looked at the young man, a boy, really, younger than me, and of a far lower rank than the soldier I was so poorly impersonating.

From "Not Nothing" by Gayle Forman

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