WordReference Random House Learner's Dictionary of American English © 2015
com•pul•so•ry /kəmˈpʌlsəri/USA pronunciation adj., n., pl. -ries.

  • put into force by law or rules;
    obligatory:compulsory routines in the ice-skating competition.
  • using compulsion; compelling;
    forceful:compulsory measures to control rioting.

  • n. [countable]
  • something that must be done as part of a contest:In the compulsories she scored the highest of all the ice skaters.
  • com•pul•so•ri•ly,adv. 
    com•pul•so•ri•ness,n. [uncountable]See -puls-.

    Collins Concise English Dictionary © HarperCollins Publishers::

    compulsory /kəmˈpʌlsərɪ/ adj
    1. required by regulations or laws; obligatory
    2. involving or employing compulsion; compelling; necessary; essential

    comˈpulsorily adv comˈpulsoriness n

    'compulsory' also found in these entries:

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