French leave

American  

[french leev] / ˈfrɛntʃ ˈliv /

noun

1. Sometimes Offensive. a departure without saying goodbye, asking permission, or giving notice.

   During the Civil War, many men deserted or took French leave.

   Early in the wedding reception I had to take French leave to address a family crisis.

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French leave British  

noun

1. an unauthorized or unannounced absence or departure

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Etymology

Origin of French leave

First recorded in 1765–75

Example Sentences

Siaka Coulibaly, an analyst with Burkina Faso’s Center for Public Policy Monitoring by Citizens, warned of a “severe degradation of security” if the French leave, because African armies aren’t ready to fill the void.

From Washington Times

My efforts at French leave me at once inert and exhausted, as though I’ve been dog-paddling in a pool of standing water.

From The New Yorker

The Islamist insurgents attacked the northern city of Timbuktu for the second time in a fortnight last week, promising to "open the gates of hell," when the French leave.

From Reuters

"The French leave the job market too early," Gallois told a recent meeting with foreign media.

From Reuters

We must take it with French leave, or let it alone.”

From Project Gutenberg