skeleton key

noun

1. a key with nearly the whole substance of the bit filed away so that it may open various locks.

skeleton key

noun

1. a key with the serrated edge filed down so that it can open numerous locks Also calledpasskey

Word History and Origins

Origin of skeleton key¹

First recorded in 1800–10

Word History and Origins

Origin of skeleton key¹

C19: so called because it has been reduced to its essential parts

Example Sentences

A brass skeleton key stabbed through its middle like a fork.

From Literature

Introducing the 688-page biography this way seems designed to address Musk’s recent turn towards combativeness and cruelty — if not justifying it, then offering a skeleton key to understanding where it’s rooted.

From Los Angeles Times

“Microsoft should not have had a single skeleton key that, when inevitably stolen, could be used to forge access to different customers’ private communications.”

From Seattle Times

Those looking for a felt skeleton key to unlock his various idiosyncrasies aren’t likely to find one.

From New York Times

Alaric pursed his lips and looked around before opening a drawer behind him with a skeleton key.

From Literature