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.

---

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

They are world, Olympic and European champions - not to mention women's world champions too.

From BBC ● Jul. 20, 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 think I tidied up our two rooms, not to mention changed and rechanged the pillow beneath her swollen knee at least six times before she finally suggested I go to sleep for the night.

From "The Detective's Assistant" by Kate Hannigan