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

Reducing prices is tricky for luxury brands who have spent years, not to mention billions of ad dollars, cultivating an exclusive image.

From The Wall Street Journal ● Aug. 17, 2026

As for Meta specifically, its AI efforts trail U.S. rivals, including Anthropic and OpenAI, not to mention Chinese rivals, DeepSeek included.

From MarketWatch ● Aug. 10, 2026

That poses a major obstacle to ending the war, not to mention resolving the even more complex, long-standing dispute over Iran’s nuclear program.

From Los Angeles Times ● Aug. 8, 2026

Vinicius is two years younger and has a commercial value that exceeds Hazard's - and that is not to mention the seven-year cost of inflation.

From BBC ● Jul. 27, 2026

He decided not to mention that to the crew, but he hoped their buddies back home had had a good celebration.

From "The House of Hades" by Rick Riordan