operative

Definitions

Functioning or having an effect; in operation.

A person employed to perform a specific task, especially a secret agent or detective.

Relating to or used in surgical operations.

Examples

The secret operative was sent on a mission to gather intelligence behind enemy lines.

The new policy will become operative starting at the beginning of the next fiscal year.

Synonyms

functional working effective operational active in force efficient

Antonyms

inoperative nonfunctional broken inactive defunct idle useless