Describes a product or service that requires no additional work, effort or setup from the buyer.

Instant Utility

Commonly used in business to emphasize how a product or service can save time and money.

Business Context

Often used metaphorically to suggest simplicity and ease of operation.

Metaphorical Use

Historically specific and now less common, refers to a person who holds keys in a jail.

Historical Origin

The term emphasizes the particular role of an individual in charge of operating locks in a prison.

Specific Role

While historically accurate, this term is rarely used in modern English to describe a jailer.

Outdated Usage

 they're ready fall let's go catch some tuna it's turnkey nope it's an ass I got my buddy jr. as a deckhand he and my brother Bruce between the three of us we have a hundred years of tone efficient experience know what we do on our down

Wicked Tuna's Captain...

 email etc etc it's all being collected we're not under threat it's not a turnkey you know system but what it is it's the search for those five or seven

Turnkey