apropos of

Idioms  

1. Concerning, in connection with, as in Apropos of keeping in touch, I haven't heard from her in months. This idiom was a borrowing of the French à propos de (“to the purpose of”) in the 17th century. At first it was used without of and meant “fitting” or “opportune,” as in Their prompt arrival was very appropos. By the 1700s it was also being used with of, as in the current idiom, for “concerning” or “by way of.”

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Example Sentences

Its rigorous order and deep perspective, enhanced by the receding lines of ship masts and rail tracks along the expansive quay, address his motif in a style apropos of its modern subject.

From The Wall Street Journal • Mar. 28, 2026

During an appearance on The Late Show, when Stephen Colbert asked, apropos of nothing, if she has a favorite novelty flag to display at her home, Jackson laughed and offered a polite “no comment.”

From Slate • Oct. 4, 2024

As Bloomberg reported earlier this year apropos of Allegiant, “had the $1.9 billion stadium not been built at all, Las Vegas businesses wouldn’t have noticed the difference.”

From Los Angeles Times • Apr. 24, 2024

By the way, apropos of nothing in particular, it's pronounced "bio-pic", not "bi-opic", for obvious reasons.

From BBC • Apr. 6, 2024

Suddenly, apropos of nothing beyond what was churning in his head and heart, C.P. said, “I don’t feel comfortable here.”

From "The Best of Enemies" by Osha Gray Davidson