from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Being in effect; having force; operating: "Two major tendencies are operative in the American political system” ( Heinz Eulau).
- adj. Functioning effectively; efficient.
- adj. Engaged in or concerned with physical or mechanical activity.
- adj. Of, relating to, or resulting from a surgical operation.
- adj. Significant; most important; key: The operative word is "low-fat.”
- n. A skilled worker, especially in industry.
- n. A secret agent; a spy.
- n. A private investigator.
- n. One who works for a political organization, often wielding influence out of public view.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Effectual or important.
- adj. Functional, in working order.
- n. An employee or other worker with some particular function or skill.
- n. A spy, secret agent, or detective.
- n. A participant of an operation.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects.
- adj. Producing the appropriate or designed effect; efficacious; effective.
- adj. Based upon, or consisting of, an operation or operations.
- n. A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory.
- n. One who acts as an agent of another, especially a detective or spy.
from The Century Dictionary and Cyclopedia
- Active in the production of effects or results; acting; exerting force or influence.
- Efficacious; effective; efficient.
- Concerned with the actual exercise of power, or the putting forth of effort or labor in the accomplishment of some end; practical.
- Of, pertaining to, or concerned with operations, as those of surgery.
- n. A workman; an artisan.
- n. One who operates in any line of business; an operator: used in certain circumstances as a convenient substitute for detective.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. someone who can be employed as a detective to collect information
- adj. effective; producing a desired effect
- adj. relating to or requiring or amenable to treatment by surgery especially as opposed to medicine
- n. a person secretly employed in espionage for a government
- adj. (of e.g. a machine) performing or capable of performing
- adj. being in force or having or exerting force
Sorry, no etymologies found.