not to mention

Idioms

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.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hassabis acknowledged that we’re in a “ferocious, commercial pressure race,” not to mention a geopolitical one.

From MarketWatch • Apr. 11, 2026

It’s why the conspiracies claiming we never went there are so unappealing, not to mention completely lacking in evidence.

From Salon • Apr. 7, 2026

The question seemed designed to stump even the person who wrote the episode, not to mention the obsessives competing in the recent “Seinfeld” trivia competition in New York.

From The Wall Street Journal • Apr. 1, 2026

They both under-performed against Japan but Palmer's game-changing talent, not to mention his penalty expertise, gets him in my squad.

From BBC • Apr. 1, 2026

He still had a glassful of lemonade left in one pitcher, not to mention another whole pitcher already mixed up and unsold, so he poured himself a full cup.

From "The Lemonade War" by Jacqueline Davies

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023