WordReference Random House Learner's Dictionary of American English © 2017
con•trol /kənˈtroʊl/USA pronunciation   v.,  -trolled, -trol•ling, n. 
v. [+ object]
  1. to regulate, govern, or command;
    manage:The pilot controlled the plane from the cockpit.
  2. to hold (something) in check;
    hold (something) back:to control one's emotions.
  3. to prevent the spread of:The firefighters worked to control the forest fire.

  1. the act or power of controlling:[uncountable]Who has control over the newspaper now?
  2. [uncountable] check or restraint: My anger was under control.
  3. [countable] a person who acts as a check;
  4. Mechanical Engineeringcontrols, [plural] an arrangement of devices, such as switches, for regulating or directing the operation of a machine:The controls are easy to understand and within easy reach of the driver.
  1. at the controls, in charge of;
    directing:Is anyone at the controls at headquarters?

con•trol•la•ble, adj.: At this point the problem is still controllable.
con•trol•la•bly, adv. 
con•trol•ling, adj. [before a noun]has a controlling interest in the company.

WordReference Random House Unabridged Dictionary of American English © 2017
con•trol  (kən trōl),USA pronunciation v.,  -trolled, -trol•ling, n. 
  1. to exercise restraint or direction over;
  2. to hold in check;
    curb:to control a horse; to control one's emotions.
  3. to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.
  4. to eliminate or prevent the flourishing or spread of:to control a forest fire.
  5. [Obs.]to check or regulate (transactions), originally by means of a duplicate register.

  1. the act or power of controlling;
    domination or command:Who's in control here?
  2. the situation of being under the regulation, domination, or command of another:The car is out of control.
  3. check or restraint:Her anger is under control.
  4. a legal or official means of regulation or restraint:to institute wage and price controls.
  5. a standard of comparison in scientific experimentation.
  6. a person who acts as a check;
  7. a device for regulating and guiding a machine, as a motor or airplane.
  8. controls, a coordinated arrangement of such devices.
  9. prevention of the flourishing or spread of something undesirable:rodent control.
  10. Sport[Baseball.]the ability of a pitcher to throw the ball into the strike zone consistently:The rookie pitcher has great power but no control.
  11. Stamps[Philately.]any device printed on a postage or revenue stamp to authenticate it as a government issue or to identify it for bookkeeping purposes.
  12. a spiritual agency believed to assist a medium at a séance.
  13. the supervisor to whom an espionage agent reports when in the field.
con•trolla•ble, adj., n. 
con•trol′la•bili•ty, con•trolla•ble•ness, n. 
con•trolla•bly, adv. 
con•trolless, adj. 
con•trolling•ly, adv. 
  • Anglo-French contreroller to keep a duplicate account or roll, derivative of contrerolle (noun, nominal). See counter-, roll
  • late Middle English co(u)ntrollen (verb, verbal) 1425–75
    • 1.See corresponding entry in Unabridged manage, govern, rule.
    • 2.See corresponding entry in Unabridged restrain, bridle, constrain.
    • 6.See corresponding entry in Unabridged management, government, reign, rule, mastery. See  authority. 

Collins Concise English Dictionary © HarperCollins Publishers::

control /kənˈtrəʊl/ vb ( -trols, -trolling, -trolled)(transitive)
  1. to command, direct, or rule
  2. to check, limit, curb, or regulate; restrain: to control one's emotions, to control a fire
  3. to regulate or operate (a machine)
  4. to verify (a scientific experiment) by conducting a parallel experiment in which the variable being investigated is held constant or is compared with a standard
  5. to regulate (financial affairs)
  6. to examine and verify (financial accounts)
  7. to restrict or regulate the authorized supply of (certain substances, such as drugs)
  1. power to direct or determine: under control, out of control
  2. a means of regulation or restraint; curb; check: a frontier control
  3. (often plural) a device or mechanism for operating a car, aircraft, etc
  4. a standard of comparison used in a statistical analysis or scientific experiment
  5. a device that regulates the operation of a machine. A dynamic control is one that incorporates a governor so that it responds to the output of the machine it regulates
  6. (as modifier): control panel, control room
  7. an agency believed to assist the medium in a séance
  8. Also called: control mark a letter, or letter and number, printed on a sheet of postage stamps, indicating authenticity, date, and series of issue
  9. one of a number of checkpoints on a car rally, orienteering course, etc, where competitors check in and their time, performance, etc, is recorded
Etymology: 15th Century: from Old French conteroller to regulate, from contrerolle duplicate register, system of checking, from contre- counter- + rolle roll

conˈtrollable adj conˌtrollaˈbility, conˈtrollableness n conˈtrollably adv

'control' also found in these entries:
Collocations: control the [population, people, citizens], [total, complete, unquestionable] control, is a control freak, more...

Forum discussions with the word(s) "control" in the title:

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