| switch | | |
| n. (artifact) | 1. electric switch, electrical switch, switch | control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit. |
| ~ commutator | switch for reversing the direction of an electric current. |
| ~ controller, control | 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" |
| ~ cutout | a switch that interrupts an electric circuit in the event of an overload. |
| ~ ignition switch | switch that operates a solenoid that closes a circuit to operate the starter. |
| ~ push button, button, push | an electrical switch operated by pressing.; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk" |
| ~ selector switch, selector | a switch that is used to select among alternatives. |
| ~ three-point switch, three-way switch | an electric switch that has three terminals; used to control a circuit from two different locations. |
| ~ time-switch | a switch set to operate at a desired time. |
| ~ on-off switch, on/off switch, toggle switch, toggle | a hinged switch that can assume either of two positions. |
| n. (event) | 2. permutation, replacement, substitution, switch, transposition | an event in which one thing is substituted for another.; "the replacement of lost blood by a transfusion of donor blood" |
| ~ variation, fluctuation | an instance of change; the rate or magnitude of change. |
| n. (artifact) | 3. switch | hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure. |
| ~ false hair, hairpiece, postiche | a covering or bunch of human or artificial hair used for disguise or adornment. |
| n. (artifact) | 4. switch | railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock. |
| ~ railroad track, railroad, railway | a line of track providing a runway for wheels.; "he walked along the railroad track" |
| n. (artifact) | 5. switch | a flexible implement used as an instrument of punishment. |
| ~ birch rod, birch | a switch consisting of a twig or a bundle of twigs from a birch tree; used to hit people as punishment.; "my father never spared the birch" |
| ~ cane | a stiff switch used to hit students as punishment. |
| ~ ferule | a switch (a stick or cane or flat paddle) used to punish children. |
| ~ instrument of punishment | an instrument designed and used to punish a condemned person. |
| ~ ratan, rattan | a switch made from the stems of the rattan palms. |
| n. (act) | 6. switch | a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other. |
| ~ basketball play | a play executed by a basketball team. |
| n. (act) | 7. shift, switch, switching | the act of changing one thing or position for another.; "his switch on abortion cost him the election" |
| ~ change | the action of changing something.; "the change of government had no impact on the economy"; "his change on abortion cost him the election" |
| ~ switcheroo | a sudden unexpected switch. |
| v. (change) | 8. exchange, switch, switch over | change over, change around, as to a new order or sequence. |
| ~ change by reversal, reverse, turn | change to the contrary.; "The trend was reversed"; "the tides turned against him"; "public opinion turned when it was revealed that the president had an affair with a White House intern" |
| v. (possession) | 9. swap, switch, swop, trade | exchange or give (something) in exchange for. |
| ~ exchange, interchange, change | give to, and receive from, one another.; "Would you change places with me?"; "We have been exchanging letters for a year" |
| v. (change) | 10. change, shift, switch | lay aside, abandon, or leave for another.; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes" |
| ~ exchange, convert, commute, change | exchange or replace with another, usually of the same kind or category.; "Could you convert my dollars into pounds?"; "He changed his name"; "convert centimeters into inches"; "convert holdings into shares" |
| ~ change | change clothes; put on different clothes.; "Change before you go to the opera" |
| ~ transition | make or undergo a transition (from one state or system to another).; "The airline transitioned to more fuel-efficient jets"; "The adagio transitioned into an allegro" |
| ~ shift | change gears.; "you have to shift when you go down a steep hill" |
| ~ break | change suddenly from one tone quality or register to another.; "Her voice broke to a whisper when she started to talk about her children" |
| ~ channel-surf, surf | switch channels, on television. |
| ~ leap, jump | pass abruptly from one state or topic to another.; "leap into fame"; "jump to a conclusion"; "jump from one thing to another" |
| ~ diphthongise, diphthongize | change from a simple vowel to a diphthong.; "This vowel diphthongized in Germanic" |
| ~ cut | make an abrupt change of image or sound.; "cut from one scene to another" |
| ~ break | change directions suddenly. |
| v. (change) | 11. change over, shift, switch | make a shift in or exchange of.; "First Joe led; then we switched" |
| ~ alter, change, modify | cause to change; make different; cause a transformation.; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" |
| ~ back | shift to a counterclockwise direction.; "the wind backed" |
| ~ veer | shift to a clockwise direction.; "the wind veered" |
| v. (contact) | 12. flip, switch, throw | cause to go on or to be engaged or set in operation.; "switch on the light"; "throw the lever" |
| ~ switch on, turn on | cause to operate by flipping a switch.; "switch on the light"; "turn on the stereo" |
| ~ switch off, turn off, turn out, cut | cause to stop operating by disengaging a switch.; "Turn off the stereo, please"; "cut the engine"; "turn out the lights" |
| ~ mesh, lock, operate, engage | keep engaged.; "engaged the gears" |
| v. (contact) | 13. switch | flog with or as if with a flexible rod. |
| ~ flog, lash, lather, trounce, welt, whip, slash, strap | beat severely with a whip or rod.; "The teacher often flogged the students"; "The children were severely trounced" |
| v. (change) | 14. alternate, flip, flip-flop, interchange, switch, tack | reverse (a direction, attitude, or course of action). |
| ~ change by reversal, reverse, turn | change to the contrary.; "The trend was reversed"; "the tides turned against him"; "public opinion turned when it was revealed that the president had an affair with a White House intern" |
| unsightly | | |
| adj. | 1. unsightly | unpleasant to look at.; "unsightly billboards" |
| ~ ugly | displeasing to the senses.; "an ugly face"; "ugly furniture" |
| extinguish | | |
| v. (change) | 1. extinguish, snuff out | put an end to; kill.; "The Nazis snuffed out the life of many Jewish children" |
| ~ do away with, eliminate, get rid of, extinguish | terminate, end, or take out.; "Let's eliminate the course on Akkadian hieroglyphics"; "Socialism extinguished these archaic customs"; "eliminate my debts" |
| ~ stamp | destroy or extinguish as if by stamping with the foot.; "Stamp fascism into submission"; "stamp out tyranny" |
| ~ put out, smother | deprive of the oxygen necessary for combustion.; "smother fires" |
| v. (weather) | 2. blow out, extinguish, quench, snuff out | put out, as of fires, flames, or lights.; "Too big to be extinguished at once, the forest fires at best could be contained"; "quench the flames"; "snuff out the candles" |
| ~ stub | extinguish by crushing.; "stub out your cigarette now" |
| ~ douse, put out | put out, as of a candle or a light.; "Douse the lights" |
| ~ black out | obliterate or extinguish.; "Some life-forms were obliterated by the radiation, others survived" |
| v. (change) | 3. crush out, extinguish, press out, stub out | extinguish by crushing.; "stub out your cigar" |
| ~ terminate, end | bring to an end or halt.; "She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I" |
| v. (change) | 4. do away with, eliminate, extinguish, get rid of | terminate, end, or take out.; "Let's eliminate the course on Akkadian hieroglyphics"; "Socialism extinguished these archaic customs"; "eliminate my debts" |
| ~ cancel out, wipe out | wipe out the effect of something.; "The new tax effectively cancels out my raise"; "The `A' will cancel out the `C' on your record" |
| ~ decouple | reduce or eliminate the coupling of (one circuit or part to another). |
| ~ decouple | eliminate airborne shock waves from (an explosive). |
| ~ obliterate | do away with completely, without leaving a trace. |
| ~ knock out | eliminate.; "knock out a target" |
| ~ drown | get rid of as if by submerging.; "She drowned her trouble in alcohol" |
| ~ cut out | delete or remove.; "Cut out the extra text"; "cut out the newspaper article" |
| ~ prune, rationalize, rationalise, cut | weed out unwanted or unnecessary things.; "We had to lose weight, so we cut the sugar from our diet" |
| ~ extinguish, snuff out | put an end to; kill.; "The Nazis snuffed out the life of many Jewish children" |
| ~ exclude, leave out, omit, except, leave off, take out | prevent from being included or considered or accepted.; "The bad results were excluded from the report"; "Leave off the top piece" |
| ~ destroy, destruct | do away with, cause the destruction or undoing of.; "The fire destroyed the house" |
| v. (change) | 5. annihilate, carry off, decimate, eliminate, eradicate, extinguish, wipe out | kill in large numbers.; "the plague wiped out an entire population" |
| ~ decimate | kill one in every ten, as of mutineers in Roman armies. |
| ~ kill | cause to die; put to death, usually intentionally or knowingly.; "This man killed several people when he tried to rob a bank"; "The farmer killed a pig for the holidays" |
| quench | | |
| v. (consumption) | 1. allay, assuage, quench, slake | satisfy (thirst).; "The cold water quenched his thirst" |
| ~ ingest, consume, have, take in, take | serve oneself to, or consume regularly.; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee" |
| ~ fulfil, fulfill, satisfy, meet, fill | fill or meet a want or need. |
| v. (social) | 2. quench | electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device. |
| ~ bottle up, suppress, inhibit | control and refrain from showing; of emotions, desires, impulses, or behavior. |
| v. (change) | 3. quell, quench, squelch | suppress or crush completely.; "squelch any sign of dissent"; "quench a rebellion" |
| ~ conquer, inhibit, stamp down, suppress, curb, subdue | to put down by force or authority.; "suppress a nascent uprising"; "stamp down on littering"; "conquer one's desires" |
| v. (change) | 4. quench | reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance. |
| ~ natural philosophy, physics | the science of matter and energy and their interactions.; "his favorite subject was physics" |
| ~ cut down, reduce, trim back, trim down, cut, cut back, trim, bring down | cut down on; make a reduction in.; "reduce your daily fat intake"; "The employer wants to cut back health benefits" |
| v. (change) | 5. quench | cool (hot metal) by plunging into cold water or other liquid.; "quench steel" |
| ~ cool, cool down, chill | make cool or cooler.; "Chill the food" |
| snuff out | | |
| turn off | | |
| v. (contact) | 1. cut, switch off, turn off, turn out | cause to stop operating by disengaging a switch.; "Turn off the stereo, please"; "cut the engine"; "turn out the lights" |
| ~ kill | cause to cease operating.; "kill the engine" |
| ~ flip, switch, throw | cause to go on or to be engaged or set in operation.; "switch on the light"; "throw the lever" |
| v. (motion) | 2. turn off | make a turn.; "turn off at the parking area" |
| ~ turn | change orientation or direction, also in the abstract sense.; "Turn towards me"; "The mugger turned and fled before I could see his face"; "She turned from herself and learned to listen to others' needs" |
| v. (emotion) | 3. put off, turn off | cause to feel intense dislike or distaste. |
| ~ repel, repulse | be repellent to; cause aversion in. |
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