control UK /kənˈtɹəʊl/US /kənˈtɹoʊl/noun 12verb 5forms 3phrases 3 noun12 •the power to decide what someone or something does or how it worksThe government has complete control over the situation. •Restraint or ability to contain one's movements or emotions, or self-control.She had no control of her body as she tumbled downhill. She did not know up from down. It was not unlike being cartwheeled in a relentlessly crashing wave. — 2012 •The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button. •An interface element that a computer user interacts with, such as a window or a text box. •A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure. •A means of monitoring for, and triggering intervention in, activities that are not going according to plan. •A control group or control experiment. •Any of the physical factors determining the climate of a place, such as latitude, distribution of land and water, altitude, exposure, prevailing winds, permanent high- or low-barometric-pressure areas, ocean currents, mountain barriers, soil, and vegetation. •A construction in which the understood subject of a given predicate is determined by an expression in context. See control. •A duplicate book, register, or account, kept to correct or check another account or register. •A spirit that takes possession of a psychic or medium and allows other spirits to communicate with the living."Ah, who are they? I wonder. Guides, controls, psychic entities of some kind. Who the agents of vengeance - or I should say justice - are, is really not essential." — 1925 •A checkpoint along an audax route. verb5 •To exercise influence over; to suggest or dictate the behavior of.With a simple remote, he could control the toy truck. •To hold in check, to curb, to restrain.Because only by the Capette Pellet method of hormonization can growers be assured of controlled dosage and uniform results. — 1956 •(construed with for) To design (an experiment) so that the effects of one or more variables are reduced or eliminated. •(no longer used) To verify the accuracy of (something or someone, especially a financial account) by comparison with another account. •(no longer used) To call to account, to take to task, to challenge.I fortuned to come in, Thys rebell to behold, Whereof I hym controld; But he sayde that he wolde Agaynst my mynde and wyll In my church hawke styll. — 1503 formscontrolled · controlling · controls Phrases with control in controlExercising control over a machine, vehicle, situation etc. milieu controltactics that control environment and human communication through the use of peer pressure and group language. under controlBeing taken care of or being addressed.