concerning
Americanpreposition
adjective
preposition
adjective
Etymology
Origin of concerning
First recorded in 1375–1425; concern ( def. ) + -ing 2 ( def. )
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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.
MI5 gave false evidence to three courts in a case concerning an abusive informant known as Agent X.
From BBC ● Nov. 3, 2026
The AI edge will likely accrue to the largest firms—or, more concerning for the legal profession, to technology companies, which can raise capital freely and may displace law firms.
From The Wall Street Journal ● Nov. 2, 2026
The potential connection between obesity and cognitive decline is especially concerning as dementia becomes increasingly common.
From Science Daily ● Nov. 2, 2026
The index rose particularly strongly in manufacturing, with a jump in sentiment among companies concerning both their current situation and expectations for the future.
From The Wall Street Journal ● Oct. 26, 2026
Mrs. Pontellier’s mind was quite at rest concerning the present material needs of her children, and she could not see the use of anticipating and making winter night garments the subject of her summer meditations.
From "The Awakening" by Kate Chopin
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.