not to mention

Idioms  

1. Also, not to speak of; to say nothing of. In addition to, besides what's already been said. For example, I don't think the voters will want that big program, not to mention the cost, or Dave teaches trumpet and trombone, not to speak of other brass instruments, or Their house is worth at least a million, to say nothing of their other assets.

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Example Sentences

See Examples For:

not to mention

The Iranians see Witkoff’s business ties to the UAE, and Jared Kushner’s ties to the Saudis, not to mention Israel, as cause for deep suspicion as well, people familiar with Iranian negotiators told me.

From Slate ● Jul. 22, 2026

Presumably at the equivalent points Rishi Sunak, Liz Truss, Boris Johnson and Theresa May thought that of themselves too - not to mention Sir Keir Starmer.

From BBC ● Jul. 17, 2026

But the country’s embarrassing economic standing, not to mention the cost of tribute, was of equal if not greater import.

From Salon ● Jul. 4, 2026

Still, the growth that does exist is raising concerns among utility ratepayer advocates and environmentalists, not to mention the general public.

From Los Angeles Times ● Jun. 23, 2026

I didn’t much care for the lack of windows or the dark walls, not to mention the decor itself.

From "The City Beautiful" by Aden Polydoros