• opus

    An opus is an important piece of artistic work by a writer, painter, musician, etc.; an opus can also be one in a series of numbered musical works by the same composer.

  • oeuvre

    An oeuvre is the complete works of a single artist.

  • cooperate

    When you cooperate with another person, you work together with them to accomplish something.

  • operate

    To operate something is to run it or make it work, such as a machine or a business.

  • opera

    A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arias, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.

  • operable


  • operation

    The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.

  • operative

    Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive; operative laws.

  • operator

    (mathematics) a symbol or function representing a mathematical operation

  • cooperation

    the act of working together

  • cooperative

    relating to working together

  • inoperable

    not working or not able to be operated upon

  • inoperative

    Not operative; not active; producing no effects; as, laws renderd inoperative by neglect; inoperative remedies or processes.

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