Definitions

1. adjective

actually in operation or service; functioning or active

“The hospital has only one operative elevator, which is currently out of order.”

2. noun

a person, especially a member of the armed forces, who is engaged in a secret operation or in clandestine activities

“The operative had been sent to gather information on the enemy’s movements.”

3. noun

a person who carries out or is responsible for an operation, especially a surgical one

“The operative was a skilled surgeon who performed the complex operation with ease.”

4. noun

a principle or policy that is in effect or being carried out

“The new operative policy aims to reduce carbon emissions by 50% within the next decade.”