adjective. Being in effect; having force; operating.

adjective. Functioning effectively; efficient.

adjective. Engaged in or concerned with physical or mechanical activity.

adjective. Of, relating to, or resulting from a surgical operation.

adjective. Significant; most important; key.

noun. A skilled worker, especially in industry.

noun. undefined

noun. A secret agent; a spy.

noun. A private investigator.

noun. One who works for a political organization, often wielding influence out of public view.

noun. One who operates in any line of business; an operator: used in certain circumstances as a convenient substitute for detective.

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.

noun. A workman; an artisan.

noun. A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory.

noun. One who acts as an agent of another, especially a detective or spy.

adjective. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects.

adjective. Producing the appropriate or designed effect; efficacious; effective.

adjective. Based upon, or consisting of, an operation or operations.

adjective. Effectual or important.

adjective. Functional, in working order.

noun. An employee or other worker with some particular function or skill.

noun. A spy, secret agent, or detective.

noun. A participant of an operation.

noun. someone who can be employed as a detective to collect information

adjective. effective; producing a desired effect

adjective. relating to or requiring or amenable to treatment by surgery especially as opposed to medicine

noun. a person secretly employed in espionage for a government

adjective. (of e.g. a machine) performing or capable of performing

adjective. being in force or having or exerting force

"Charlie Crist Jr., who, according to one McCain operative, is the other candidate — besides Jindal — who McCain is seriously considering tapping as his running mate."

operative surgery  

effective  functioning  good  important  in effect  

operand  operant  operate  operation  operational  

operative word  

inoperative  uncooperative  

applicable  artisan  constructive  executive  investigator  

Bow Street runner  CIA man  FBI  FBI agent  Federal