let alone

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]

Example Sentences

As a native of this fair city, who will never call downtown “DTLA” — let alone #DTLA — I miss the days when the rest of the country wanted nothing to do with us.

Read more on Los Angeles Times

The Irish presidency is a symbolic and ceremonial office with effectively zero executive power; it’s more like being the queen of Denmark than the president of France, let alone the United States.

Read more on Salon

Many current New Yorkers didn’t even live there on 9/11—let alone when murders topped a thousand a year.

Read more on The Wall Street Journal

Little wonder establishing, let alone maintaining trust is incredibly difficult.

Read more on BBC

"The haul is basically worthless," he sighed, explaining it would barely cover the day's fuel costs, let alone his crew's wages.

Read more on BBC