<B>counterexample, </B>noun.<DL COMPACT><DD> an example or instance that contradicts a theory, generalization, or argument. </DL>
<A NAME="counterfeit">
<B>counterfeit, </B>adjective, verb, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>not genuine; sham. <BR> <I>Ex. a counterfeit coin, counterfeit stamps. Counterfeit jewels are made of paste.</I> (SYN) spurious, forged, fraudulent. <DD><B> 2. </B>pretended; dissembled. <BR> <I>Ex. an arrogant counterfeit rascal (Shakespeare).</I> (SYN) feigned, simulated. <DD><I>v.t. </I> <B>1. </B>to copy (money, pictures, or handwriting) in order to deceive; forge. <BR> <I>Ex. He was sent to prison for counterfeiting five-dollar bills.</I> <DD><B> 2. </B>to resemble closely. <BR> <I>Ex. a sleep so deep as to counterfeit death.</I> <DD><B> 3. </B>to pretend; dissemble. <BR> <I>Ex. She counterfeited interest to be polite.</I> <DD><I>v.i. </I> <B>1. </B>to make counterfeits, as of money. <DD><B> 2. </B>to practice deceit; use pretense. <BR> <I>Ex. Are you not mad indeed, or do you but counterfeit? (Shakespeare).</I> <DD><I>noun </I> <B>1. </B>something copied and passed as genuine; forgery. <BR> <I>Ex. This ten-dollar bill looks genuine, but it is a counterfeit. This chest, though made to look like an antique, is plainly a counterfeit.</I> <DD><B> 2. </B>(Archaic.) <DD><B> a. </B>a copy. <DD><B> b. </B>an image; likeness; portrait. <BR> <I>Ex. What find I here? Fair Portia's counterfeit (Shakespeare).</I> <DD><B> 3. </B>(Obsolete.) an impostor. </DL>
<A NAME="counterfeiter">
<B>counterfeiter, </B>noun.<DL COMPACT><DD><B> 1. </B>a person who copies or imitates, especially one who illegally makes copies of current bank notes or coins. <DD><B> 2. </B>a person who assumes a false appearance or makes false pretenses. </DL>
<A NAME="counterflow">
<B>counterflow, </B>noun.<DL COMPACT><DD> a flow in an opposite direction; an opposing flow. </DL>
<A NAME="counterfoil">
<B>counterfoil, </B>noun.<DL COMPACT><DD> a part of a check, receipt, or the like, kept as a record; stub. </DL>
<A NAME="counterforce">
<B>counterforce, </B>noun.<DL COMPACT><DD> a force acting in opposition to another; contrary, opposing, or resisting force. <BR> <I>Ex. The counterforce to the body's efforts is provided by the body-weight (New Scientist).</I> </DL>
<A NAME="counterfort">
<B>counterfort, </B>noun.<DL COMPACT><DD><B> 1. </B>a buttress or projecting piece of masonry strengthening a wall. <DD><B> 2. </B>a spur of a mountain or mountain chain. </DL>
<A NAME="counterglow">
<B>counterglow, </B>noun.<DL COMPACT><DD> (Astronomy.) a patch of extremely faint light seen in the heavens near the apparent path of the sun (ecliptic) at a point exactly opposite to the sun; Gegenschein. </DL>
<A NAME="counterguard">
<B>counterguard, </B>noun.<DL COMPACT><DD> a small, detached rampart in front of a bastion or the like, to protect it from being breached. </DL>
<A NAME="counterinsurgency">
<B>counterinsurgency, </B>noun.<DL COMPACT><DD> military action against guerrillas or other insurgents. </DL>
<A NAME="counterinsurgent">
<B>counterinsurgent, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> a person who engages in counterinsurgency. <DD><I>adj. </I> of or having to do with counterinsurgency. </DL>
<A NAME="counterintelligence">
<B>counterintelligence, </B>noun.<DL COMPACT><DD> the system or activity of counteractingthe intelligence or spy activities of an enemy. Counterintelligence is generally carried on by a specially designated section of an army. </DL>
<A NAME="counterintuitive">
<B>counterintuitive, </B>adjective.<DL COMPACT><DD> running counter to intuition; not consistent with what one perceives intuitively. <BR> <I>Ex. Complex systems are counterintuitive. They behave in ways opposite to what most people expect (Jay W. Forrester).</I> </DL>
<A NAME="counterirritant">
<B>counterirritant, </B>noun.<DL COMPACT><DD><B> 1. </B>a medical application or agent used to produce irritation of the surface of the body, in order to counteract inflammation, irritation, or pain of deeper parts. <DD><B> 2. </B>anything that serves a similar purpose. <BR> <I>Ex. (Figurative.) She afforded him no counterirritant (George Eliot).</I> </DL>
<A NAME="counterirritation">
<B>counterirritation, </B>noun.<DL COMPACT><DD> irritation artifically produced in order to counteract the action of disease or pain. <BR> <I>Ex. A mustard plaster produces counterirritation.</I> </DL>
<A NAME="counterman">
<B>counterman, </B>noun, pl. <B>-men.</B><DL COMPACT><DD> a person who serves or works at a counter in a lunchroom or store. </DL>
<A NAME="countermand">
<B>countermand, </B>verb, noun.<DL COMPACT><DD><I>v.t. </I> <B>1. </B>to withdraw or cancel (an order or command). (SYN) revoke, stop, rescind, annul, void. <DD><B> 2. </B>to recall or stop by a contrary order; order back. <DD><I>noun </I> a command, order, or the like, revoking a previous one. </DL>
<A NAME="countermarch">
<B>countermarch, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>a march in the opposite direction; a march back. <DD><B> 2. </B>a movement by which a marching group reverses its direction of march. <DD><I>v.i. </I> <B>1. </B>to march in the opposite direction; march back. <DD><B> 2. </B>to execute a countermarch. <DD><I>v.t. </I> to order or cause (a marching group) to countermarch. </DL>
<A NAME="countermark">
<B>countermark, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>an additional mark placed on something previously marked, as for greater security. <DD><B> 2. </B>an artificial cavity made in the teeth of horses to disguise their age. <DD><I>v.t. </I> to add a countermark to. </DL>
<A NAME="countermeasure">
<B>countermeasure, </B>noun.<DL COMPACT><DD> a measure or step to offset another; countermove. </DL>
<A NAME="countermelody">
<B>countermelody, </B>noun, pl. <B>-dies.</B><DL COMPACT><DD> an added or accompanying melody; counterpoint. </DL>
<A NAME="countermine">
<B>countermine, </B>noun, verb, <B>-mined,</B> <B>-mining.</B><DL COMPACT><DD><I>noun </I> <B>1. </B>a submarine mine intended to set off enemy mines prematurely. <DD><B> 2. </B>an excavation dug by defenders of a fortress to intercept the excavation or mine dug by the besiegers. <DD><B> 3. </B>(Figurative.) <B>=counterplot.</B> <DD><I>v.i. </I> to make or place countermines. <DD><I>v.t. </I> <B>1. </B>to make or place countermines against; oppose or defeat by a countermine. <BR> <I>Ex. Captain Walker dropped depth charges which countermined a German torpedo as it was about to strike his ship (Sunday Times).</I> <DD><B> 2. </B>(Figurative.) counterwork. <BR> <I>Ex. When sadness dejects me, ... I countermine it with another sadness (John Donne).</I> </DL>
<A NAME="countermissile">
<B>countermissile, </B>noun.<DL COMPACT><DD> a missile designed to intercept and destroy another missile; anti-missile missile. <BR> <I>Ex. To determine the oncoming warhead's target and to launch a countermissile to destroy the warhead it is necessary to predict the trajectory of the enemy missile with great accuracy (New York Herald Tribune).</I> </DL>
<A NAME="countermove">
<B>countermove, </B>noun.<DL COMPACT><DD> a contrary move; a move in opposition to another move. </DL>
<A NAME="countermovement">
<B>countermovement, </B>noun.<DL COMPACT><DD> a movement in opposition to another. </DL>
<A NAME="countermure">
<B>countermure, </B>noun.<DL COMPACT><DD> a wall raised within or behind another wall as a reserve defense. </DL>
<A NAME="counteroffensive">
<B>counteroffensive, </B>noun.<DL COMPACT><DD> an aggressive attack by a defending force against an attacking force. </DL>
<A NAME="counteroffer">
<B>counteroffer, </B>noun.<DL COMPACT><DD> an offer or proposal calculated to surpass or offset another. <BR> <I>Ex. Salary offers and union counteroffers have highlighted the meetings (Wall Street Journal).</I> </DL>
<A NAME="counterpane">
<B>counterpane, </B>noun.<DL COMPACT><DD> an outer covering for a bed; bedspread. (SYN) coverlet, quilt. </DL>