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

He also told me, apropos of conjectures about White House insider trading: “This particular kind of trading — hour by hour on tariff changes — doesn’t strike me as likely, but who knows?!”

From Los Angeles Times • Mar. 13, 2025

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

From BBC • Apr. 6, 2024

In some ways that's apropos of Gossip Girl's new medium, Instagram.

From Salon • Jul. 8, 2021

At one point, apropos of nothing, Vivian says, “So where is that mother of yours, anyway?”

From "Orphan Train" by Christina Baker Kline