concerning
Americanpreposition
adjective
preposition
adjective
Etymology
Origin of concerning
First recorded in 1375–1425; concern ( def. ) + -ing 2 ( def. )
Compare meaning
How does concerning compare to similar and commonly confused words? Explore the most common comparisons:
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.
This is concerning, Jess Phillips told us: "Not even training your moderators on your website. They should be ashamed of themselves."
From BBC ● Jul. 24, 2026
“I am aware of recent media inquiries concerning a protective order entered on July 10, 2026,” the chef wrote alongside the screenshot.
From Los Angeles Times ● Jul. 24, 2026
This effect may be especially concerning for people who already have high blood pressure.
From Science Daily ● Jul. 22, 2026
"In the long run, other issues concerning straits will arise," Domergue said, citing the Taiwan Strait, given China's declared territorial ambitions in Southeast Asia, or the Strait of Malacca, shared by Singapore, Malaysia, and Indonesia.
From Barron's ● Jul. 21, 2026
Several people had followed up Galileo’s lead by the 1660s and, as we have seen, Malpighi in particular had already made important discoveries, especially those concerning the circulation of the blood, with the new instrument.
From "The Scientists" by John Gribbin
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.