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op·er·a·tive(ŏp′ər-ə-tĭv, -ə-rā′tĭv, ŏp′rə-)
1. Being in effect; having force; operating: "Two major tendencies are operative in the American political system" (Heinz Eulau).
2. Functioning effectively; efficient.
3. Engaged in or concerned with physical or mechanical activity.
4. Of, relating to, or resulting from a surgical operation.
5. Significant; most important; key: The operative word is "low-fat."
1. A skilled worker, especially in industry.
a. A secret agent; a spy.
b. A private investigator.
3. One who works for a political organization, often wielding influence out of public view.
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|Adv.||1.||operatively - in a manner to produce an effect|