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

Of course, the Seahawks could be back, not to mention other recent participants in the Philadelphia Eagles or San Francisco 49ers.

From Los Angeles Times

To address the reasons for selling: A rental that is only breaking even today is also vulnerable to HOA increases, special assessments, and possible vacancies, not to mention taxes and maintenance.

From MarketWatch

If I can get an arguably better burger and all those extras for just a few dollars more, not to mention a beer for the same price, isn’t it worth it?

From The Wall Street Journal

But how had she gotten out of his room—not to mention the house?

From Literature

He knew that Operation Rise was making the residents happy, not to mention Maya-Jade, but he wasn’t doing anything special.

From Literature