operative has definitions from the fields of work,surgery
1
[ adjective ] being in force or having or exerting force

Examples

"operative regulations" "the major tendencies operative in the American political system"

Used in print

(William G. Pollard, Physicist and Christian....)

The spirit of the Marine_Corps was present and operative before any of the present members of_it came into it .

2
[ noun ] a person secretly employed in espionage for a government
3
[ adjective ] (of e.g. a machine) performing or capable of performing

Examples

"in running (or working) order" "a functional set of brakes"

Related terms

functioning

4
[ adjective ] (surgery) relating to or requiring or amenable to treatment by surgery especially as opposed to medicine

Synonyms

surgical

Examples

"a surgical appendix" "a surgical procedure" "operative dentistry"

5
[ adjective ] effective; producing a desired effect

Synonyms

key

Examples

"the operative word"

Related terms

significant

6
[ adjective ] (surgery) of or relating to a surgical operation

Examples

"operative surgery"

Related terms

operation

7
[ noun ] (work) someone who can be employed as a detective to collect information
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