concerning

American  

[kuhn-sur-ning] / kənˈsɜr nɪŋ /

preposition

1. relating to; regarding; about.

   We attended a discussion concerning foreign aid.

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adjective

1. causing concern, worry, or anxiety.

   The increase in unlicensed practitioners is concerning.

   The more concerning elements of the sport were swept under the rug.

concerning British  

/ kənˈsɜːnɪŋ /

preposition

1. about; regarding; on the subject of

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adjective

1. worrying or troublesome

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:

• disconcerting vs. concerning

Example Sentences

While Hassett acknowledged that the near-term spike in energy prices is concerning, he sees it as a temporary disruption.

From Barron's • Apr. 15, 2026

While Hassett acknowledged that the near-term spike in energy prices is concerning, he sees it as a temporary disruption.

From Barron's • Apr. 15, 2026

During talks in Pakistan, the U.S. asked Iran to agree not to enrich uranium for 20 years, people familiar with the matter said, softening previous demands concerning Tehran’s nuclear program.

From The Wall Street Journal • Apr. 14, 2026

But celebrations were soon muted when Orr left the field with a concerning looking injury, her place on the field taken by Evie Wills.

From BBC • Apr. 11, 2026

Vasiljevic’s plans concerning Bobby always contained ulterior motives.

From "Endgame" by Frank Brady