Compulsory/ Compulsion °“ Compulsory"( adjectⅳve):1) required by law or a rule; obligatory: for instance, compulsory military service 2 involving or exercising compulsion; coercive Compulsion"(noun): 1 the action or state of forcing or being forced to do something; constraint 2 an irresistible urge to behave in a certain way especially against one's conscious wishes for instance, he felt a compulsion to talk about what had happened oRIGIN late Middle english via old french from late Latin compulsio, from compellere to drive force(see "to compelCompulsory/Compulsion • “Compulsory” (adjective): 1) required by law or a rule; obligatory: for instance, compulsory military service. • 2) involving or exercising compulsion; coercive. • “Compulsion” (noun): 1) the action or state of forcing or being forced to do something; constraint. • 2) an irresistible urge to behave in a certain way, especially against one's conscious wishes: for instance, he felt a compulsion to talk about what had happened. • ORIGIN late Middle English: via Old French from late Latin compulsio, from compellere ‘to drive, force’ (see “to compel”)