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

"Transporting a stone of this size over such a long distance would have required planning, coordination and a deep understanding of the landscape -- not to mention tremendous determination," Dr. Clarke said.

From Science Daily • Jun. 9, 2026

Part of the problem was the sheer enormity of the initial outbreak, which quickly strained available stocks of tests, medications, and PPE, not to mention hospital beds and healthcare workers’ time.

From Slate • Jun. 9, 2026

Respectively done on English paper and Indian cotton, each combines techniques from Qing dynasty bird-and-flower painting, Mughal court art and European natural-history studies, not to mention pigments from England, China and India.

From The Wall Street Journal • Jun. 3, 2026

But I’d be remiss not to mention that the always excellent ‘Dark Winds’ keeps getting better and is long overdue for some Emmys recognition.

From Los Angeles Times • May 21, 2026

I’ve met crows named WindChime, EighteenWheeler, and GrouchyCabDriver, not to mention a few others that are not appropriate for polite company.

From "Wishtree" by Katherine Applegate