Synonyms

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.

"There are so many special memories within the walls, not to mention the rooftop. The team have put together some really impressive plans and I'm excited for people to see it when it's ready."

From BBC • May 11, 2026

The somewhat grim task is surprisingly complex, involving hourslong Zoom calls with regulators and airport officials, not to mention armies of lawyers.

From The Wall Street Journal • May 11, 2026

"There are so many special memories within the walls, not to mention the rooftop," McCartney added in the official statement.

From Barron's • May 11, 2026

Specificity, not to mention authenticity and representation, have always been crucial to Hool.

From Los Angeles Times • May 11, 2026

Later, when Crenshaw was safely out of my house, not to mention my brain, I could think about what all this meant.

From "Crenshaw" by Katherine Applegate

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