OPERATIVE

Definition of OPERATIVE

  1. (noun)a person secretly employed in espionage for a government
  2. (noun)someone who can be employed as a detective to collect information and assist in criminal investigations
  3. (adj)being in force or having or exerting force
  4. (adj)relating to or requiring or amenable to treatment by surgery especially as opposed to medicine
  5. (adj)effective; producing a desired effect
  6. (adj)(of e.g. a machine) performing or capable of performing