· a person secretly employed in espionage for a government
Synonym(s): secret_agent, intelligence_officer, intelligence_agent
Hypernym(s): agent
· someone who can be employed as a detective to collect information
Synonym(s): private_detective, PI, private_eye, private_investigator, shamus, sherlock
Hypernym(s): detective
· being in force or having or exerting force; "operative regulations"; "the major tendencies operative in the American political system"
Antonym(s): inoperative
· relating to or requiring or amenable to treatment by surgery especially as opposed to medicine; "a surgical appendix"; "a surgical procedure"; "operative dentistry"
Synonym(s): surgical
· effective; producing a desired effect; "the operative word"
· (of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes"
Synonym(s): running, functional, working