Also found in: Thesaurus, Medical, Legal, Encyclopedia.


 (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.

op′er·a·tive·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.operatively - in a manner to produce an effect
References in periodicals archive ?
The largest number, 30, was recorded in the territory operatively covered by the Bratunac Police Station, whereas in the territory of the city of Zvornik 24 persons illegally crossed the border, in the territory of Milici municipality six persons were recorded, whereas in Srebrenica there were three illegal migrants.
We aimed to report the incidence and types of distal ulnar head and neck fractures associated with distal radius fractures and compare outcomes in operatively versus non-operatively treated patients.
Background and Objectives: Traditional approach where patients receive nothing per oral route till 24 hours or return of bowel functions (passage of flatus or motion), followed by slow advancement of feed of solid diet post operatively is now challenged however safety of early oral feeding is still controversial.
Weight of the patient was noted pre-operatively, 1st week post operatively and 4th week post operatively.
Contract notice: "washing, ironing, disinfection and sorting clinics / wards of hospital linen operatively underwear and clothing, clothing and blankets for the needs of university hospital -" dr.
In 12-24 hrs post operatively 15 (50%) patients were VAS 3 in group A and same number was VAS 2 and in group B only 3 (10%) were in VAS 3 and 27 (90%) were VAS 2 (p=0.
Resultantly the concerned petrol pump has suspended the provision of fuel to the vehicles of TMA, while all vehicles of TMA are standing un operatively in the offices due to non availability of petrol and diesel.
Reported cases have occurred early post operatively, with a mean post-operative day of presentation of 46 in a review of 23 cases.
Post operatively, patients were randomised in a sequential cohort design to one of three doses of TB-402 (0.