English Reference
Idiom idiom

not to mention


you use this to add more information that supports your point, usually something even more important or obvious than what you just said.


SIMPLE

“The food was cold, not to mention very expensive.”

CONTEXTUAL

“The apartment is too small for us, not to mention the noisy neighbors next door.”

COMPLEX

“The project requires immense technical skill, not to mention a level of dedication that few candidates possess.”

Last updated April 22, 2026