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

Part of the problem was the sheer enormity of the initial outbreak, which quickly strained available stocks of tests, medications, and PPE, not to mention hospital beds and healthcare workers’ time.

From Slate • Jun. 9, 2026

A ticket is a rare opportunity to mingle in VIP areas over sushi rolls, not to mention fodder for Instagram posts or a chance to appear on television.

From The Wall Street Journal • Jun. 5, 2026

After the “Transatlanticism”/”Give Up” anniversary outing — not to mention a subsequent tour on which the group looked back at “Plans” — Gibbard is “very ready to play some new material,” he says.

From Los Angeles Times • Jun. 5, 2026

It may take several months or longer, he said. before prices ease significantly enough to give anxious Americans more confidence in their own financial well-being, not to mention the broader economy.

From MarketWatch • May 29, 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