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

Relying on a trailer would be a disservice to your soul, not to mention that watching it would spoil a couple of key comedic bits and cameos that are best seen within their intended context.

From Salon ● Jul. 12, 2026

Coincidentally or not, that pained study of marital dissolution, co-starring Jolie’s then-husband Brad Pitt, intersected with the couple’s real-life breakup — not to mention Jolie’s grief over the death of her mother, Marcheline Bertrand.

From Los Angeles Times ● Jun. 26, 2026

More than 10 goals have been scored from outside the penalty area, not to mention tap-ins after keepers have fumbled swerving shots.

From BBC ● Jun. 20, 2026

Penelope was Swanburne to the core, and that is why, despite the injustice of her situation, not to mention some other pressing and—unusual concerns, she felt obliged to do her best at her new position.

From "The Long-Lost Home" by Maryrose Wood