(1)   The activity of managing or exerting control over something
"The control of the mob by the police was admirable"
(2)   (physiology) regulation or maintenance of a function or action or reflex etc
"The timing and control of his movements were unimpaired"
"He had lost control of his sphincters"
(3)   A mechanism that controls the operation of a machine
"The speed controller on his turntable was not working properly"
"I turned the controls over to her"
(4)   Discipline in personal and social activities
"He was a model of polite restraint"
"She never lost control of herself"
(5)   Power to direct or determine
"Under control"
(6)   Great skillfulness and knowledge of some subject or activity
"A good command of French"
(7)   A standard against which other conditions can be compared in a scientific experiment
"The control condition was inappropriate for the conclusions he wished to draw"
(8)   The economic policy of controlling or limiting or curbing prices or wages etc.
"They wanted to repeal all the legislation that imposed economic controls"
(9)   A spiritual agency that is assumed to assist the medium during a seance
(10)   A relation of constraint of one entity (thing or person or group) by another
"Measures for the control of disease"
"They instituted controls over drinking on campus"
(11)   The state that exists when one person or group has power over another
"Her apparent dominance of her husband was really her attempt to make him pay attention to her"


(12)   Have a firm understanding or knowledge of; be on top of
"Do you control these data?"
(13)   Be careful or certain to do something; make certain of something
"He verified that the valves were closed"
"See that the curtains are closed"
"Control the quality of the product"
(14)   Handle and cause to function
"Do not operate machinery after imbibing alcohol"
"Control the lever"
(15)   Control (others or oneself) or influence skillfully, usually to one's advantage
"She manipulates her boss"
"She is a very controlling mother and doesn't let her children grow up"
"The teacher knew how to keep the class in line"
"She keeps in line"
(16)   Exercise authoritative control or power over
"Control the budget"
"Command the military forces"
(17)   Lessen the intensity of; temper; hold in restraint; hold or keep within limits
"Moderate your alcohol intake"
"Hold your tongue"
"Hold your temper"
"Control your anger"
(18)   Verify or regulate by conducting a parallel experiment or comparing with another standard, of scientific experiments
"Are you controlling for the temperature?"


From < < < + , , diminutive of .


  1. To exercise influence over, to suggest or dictate the behavior of.
    With a simple remote, he could control the toy truck.


  1. Influence or authority over.
    The government has complete control over the situation.
  2. A separate group or subject in an experiment against which the results are compared where the primary variable is low or nonexistence.
  3. The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button.
  4. A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities, synonymous with safeguard and counter-measure.
  5. restraint or ability to contain one's emotions, or self-control.
  6. An interface element that a computer user interacts with, such as a window or a text box.