let alone

Idioms  

1. See leave someone alone .

2. Not to mention, as in We have no room for another house guest, let alone an entire family . [c. 1800]

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Example Sentences

Lately, though, the conventional wisdom has been challenged, and for good reason: Independent, peer-reviewed research has found no correlation—let alone causation—between diversity and performance.

From The Wall Street Journal

Brandl adds: "No one really expected to find a hydrothermal field here, let alone one that is so exceptional."

From Science Daily

"I'm really honoured to sit at it, let alone play it."

From BBC

That makes bond investors especially attuned to the risk that outsize AI investments won’t live up to their hype; even a ratings downgrade can hurt returns, let alone a default.

From The Wall Street Journal

A first senior hat-trick is a landmark in itself, let alone the first north London derby in Premier League history.

From BBC