adj.
1.being in force or having or exerting force
2.of or relating to a surgical operation
3.relating to or requiring or amenable to treatment by surgery especially as opposed to medicine
4.effective
5.(of e.g. a machine) performing or capable of performing operative n.
1.a person secretly employed in espionage for a government
2.someone who can be employed as a detective to collect information
Idiom of the Day
part company (with someone)
to leave someone, to depart from someone
The two business partners decided to part company and begin their own businesses.