control

[ kuhn-trohl ]
See synonyms for: controlcontrolledcontrollingcontrols on Thesaurus.com

verb (used with object),con·trolled, con·trol·ling.
  1. to exercise restraint or direction over; dominate: command: The car is difficult to control at high speeds.That zone is controlled by enemy troops.

  2. to hold in check; curb: to control a horse;to control one's emotions.

  1. to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.

  2. to eliminate or prevent the flourishing or spread of: to control a forest fire.

  3. Biology. (of an organism) to initiate an internal response to external stimuli.

  4. Obsolete. to check or regulate (transactions), originally by means of a duplicate register.

noun
  1. the act or power of controlling; regulation; 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.

  1. check or restraint: Her anger is under control.

  2. a legal or official means of regulation or restraint: to institute wage and price controls.

  3. a person who acts as a check; controller.

  4. a device for regulating and guiding a machine, as a motor or airplane.

  5. controls, a coordinated arrangement of such devices.

  6. prevention of the flourishing or spread of something undesirable: rodent control.

  7. Biology. an organism’s ability to initiate an internal response to external stimuli (distinguished from regulation).

  8. Baseball. the ability of a pitcher to throw the ball into the strike zone consistently: The rookie pitcher has great power but no control.

  9. Philately. any device printed on a postage or revenue stamp to authenticate it as a government issue or to identify it for bookkeeping purposes.

  10. a spiritual agency believed to assist a medium at a séance.

  11. the supervisor to whom an espionage agent reports when in the field.

Verb Phrases
  1. control for, Statistics. to account for (variables in an analysis) by limiting the data under consideration to a comparison of like things: to control for demographic factors.

Origin of control

1
First recorded in 1425–75; late Middle English co(u)ntrollen (verb), from Anglo-French contreroller “to keep a duplicate account or roll,” derivative of contrerolle (noun); see counter-, roll

Other words for control

Other words from control

  • con·trol·la·ble, adjective, noun
  • con·trol·la·bil·i·ty [kuhn-troh-luh-bil-i-tee], /kənˌtroʊ ləˈbɪl ɪ ti/, con·trol·la·ble·ness, noun
  • con·trol·la·bly, adverb
  • con·trol·less, adjective
  • con·trol·ling·ly, adverb
  • non·con·trol·la·ble, adjective
  • non·con·trol·la·bly, adverb
  • non·con·trolled, adjective
  • non·con·trol·ling, adjective
  • o·ver·con·trol, verb (used with object), o·ver·con·trolled, o·ver·con·trol·ling, noun
  • pre·con·trol, noun, verb (used with object), pre·con·trolled, pre·con·trol·ling.
  • qua·si-con·trolled, adjective
  • qua·si-con·trol·ling, adjective
  • sub·con·trol, verb (used with object), sub·con·trolled, sub·con·trol·ling.
  • su·per·con·trol, noun
  • un·con·trolled, adjective
  • un·con·trol·ling, adjective
  • well-con·trolled, adjective

Words Nearby control

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use control in a sentence

British Dictionary definitions for control

control

/ (kənˈtrəʊl) /


verb-trols, -trolling or -trolled (tr)
  1. to command, direct, or rule: to control a country

  2. to check, limit, curb, or regulate; restrain: to control one's emotions; to control a fire

  1. to regulate or operate (a machine)

  2. 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

    • to regulate (financial affairs)

    • to examine and verify (financial accounts)

  3. to restrict or regulate the authorized supply of (certain substances, such as drugs)

noun
  1. power to direct or determine: under control; out of control

  2. a means of regulation or restraint; curb; check: a frontier control

  1. (often plural) a device or mechanism for operating a car, aircraft, etc

  2. a standard of comparison used in a statistical analysis or scientific experiment

    • 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

    • (as modifier): control panel; control room

  3. spiritualism an agency believed to assist the medium in a séance

  4. Also called: control mark a letter, or letter and number, printed on a sheet of postage stamps, indicating authenticity, date, and series of issue

  5. one of a number of checkpoints on a car rally, orienteering course, etc, where competitors check in and their time, performance, etc, is recorded

Origin of control

1
C15: from Old French conteroller to regulate, from contrerolle duplicate register, system of checking, from contre- counter- + rolle roll

Derived forms of control

  • controllable, adjective
  • controllability or controllableness, noun
  • controllably, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for control

control

[ kən-trōl ]


  1. A standard of comparison for checking or verifying the results of an experiment. In an experiment to test the effectiveness of a new drug, for example, one group of subjects (the control group) receives an inactive substance or placebo , while a comparison group receives the drug being tested.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with control

control

see out of control; spin control.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.