Operative synonyms

efficient

Using a particular proportion of available energy.

3

1

effective (related)

Producing a strong impression or response; striking:

2

1

agent

A substance that can bring about a chemical reaction or a biological effect.

2

1

active

Marked by energetic activity; busy:

2

detective

Suited for or used in detection.

2

manipulative

Tending to manipulate others.

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0

open

Carried on in full view of others; not hidden or private:

1

0

spy

Of or about spies or espionage

1

0

workable

Able to be worked or fashioned

1

0

inactive (antonym)

Not functioning or operating; broken down

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0

invalid (antonym)

Not valid; not true, correct, acceptable or appropriate.

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0

unworking (antonym)

active, functioning; influential

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0

unfunctional (antonym)

Not functional; ornamental, or serving some other purpose than a practical one.

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0

ineffective (antonym)

Lacking in ability; incompetent or inadequate

1

0

ineffectual (antonym)

Not producing the desired effect:

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0

useless (antonym)

(Colloquial, of a person) unable to do well at a particular task or thing. Useless is mildly insulting.

1

0

worthless (antonym)

Without worth or merit; useless, valueless, etc.

1

0

inoperative (antonym)

(Law) No longer legally binding

1

0

operational

Fit for proper functioning; ready for use:

1

0

accessible

Easy to approach or enter

1

0

employable

That can be employed

1

0

operable

Possible to put into practice; practicable:

1

0

practicable

Usable for a specified purpose:

1

0

usable

Capable of being used:

1

0

utilizable

Able to be utilized

1

0

alive

(Sports) In play; live:

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functioning

Functional, working

1

0

going

Working; running:

1

0

operating

That operates

1

0

running

Of the normal run (of a train, bus, etc.)

1

0

working

In paid employment.

1

0

hand

A signature:

1

0

laborer

One who uses body strength instead of intellectual power to earn a wage, usually hourly.

1

0

in-use

Currently being used

1

influential

Having or exerting influence.

0

adequate

Enough or good enough for what is required or needed; sufficient; suitable

0

roustabout

(Chiefly US) an unskilled laborer, especially at an oilfield, at a circus or on a ship

0

worker

A person, animal, or thing that works; specif., a person who is employed to do physical or mental work for wages, esp. in order to earn a living, as in a trade, industry, business, office, etc. or on a farm, ranch, etc.

0

working girl

(Slang) A woman prostitute.

0

workingman

A man who performs heavy manual or industrial labor.

0

workingwoman

A woman who is gainfully employed; often, specif., such a woman as distinct from a housewife

0

workman

Workingman

0

workwoman

A woman who performs manual labour; the female equivalent of a workman

0

spook

(Dated, pejorative) A black person.

0

secret (or undercover) agent

0

be (related)

In effect

0

possible (related)

Capable of happening, existing, or being true without contradicting proven facts, laws, or circumstances:

0

action (related)

Designating or of a type of film characterized by a fast-paced plot, a series of suspenseful confrontations, violent fight and chase scenes, etc.

0

awareness (related)

In action or full operation

0

work (related)

Something that has been produced or accomplished through the effort, activity, or agency of a person or thing:

0

investigate (related)

A person who secretly observes others to obtain information

0

functional

Able to function personally or socially despite limitations or impairment:

0

surgical

Precise or very accurate.

0

private-detective

Any agent hired by a private party for the purpose of investigation or evidence gathering.

0

pi

(Mathematics) A transcendental number, approximately 3.14159, represented by the symbol π, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.

0

private eye

Attributive form of private eye

0

private-investigator

An agent hired by a private party for the purpose of investigation or evidence gathering.

0

shamus

A policeman

0

sherlock

A detective.