See operative in Webster's New World Roget's A-Z Thesaurus II
adjective
In effect:
effective, operational. See beAvailable for use:
accessible, employable, open, operable, practicable, usable, utilizable. See possibleIn action or full operation:
active, alive, functioning, going, operating, running, working. See action, awareness
noun
One who labors:
hand, laborer, roustabout, worker, working girl, workingman, workingwoman, workman, workwoman. See workA person who secretly observes others to obtain information:
agent, spy. (Informal) spook. Idiom: secret (or undercover) agent. See investigate
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