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-.

    WordReference Random House Unabridged Dictionary of American English © 2015
    com•pul•so•ry  (kəm pulsə rē), 
    adj., n., pl. -ries. 

  • required;
    obligatory:compulsory education.
  • using compulsion; compelling;
    constraining:compulsory measures to control rioting.

  • n. 
  • something, as an athletic feat, that must be performed or completed as part of a contest or competition:The ice skater received a higher score on the compulsories than on her freestyle performance.
  • Etymology:
    • Medieval Latin compulsōrius, equivalent. to Latin compul-, variant stem of compellere (see compel) + -sōrius, for -tōrius -tory1; compare compulsive
    • 1510–20
    com•pulso•ri•ly, adv. 
    com•pulso•ri•ness, n. 
    1, 2 . voluntary.

    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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