• synonyms


noun, plural tri·um·virs, tri·um·vi·ri [trahy-uhm-vuh-rahy] /traɪˈʌm vəˌraɪ/.
  1. Roman History. one of three officers or magistrates mutually exercising the same public function.
  2. one of three persons associated in any office or position of authority.
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Origin of triumvir

1570–80; < Latin: literally, one man of three, back formation from trium virōrum of three men
Related formstri·um·vi·ral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for triumvir

Historical Examples

  • Crassus, the famous financier, triumvir with Caesar and Pompey.

    The Apologia and Florida of Apuleius of Madaura

    Lucius Apuleius

  • A triumvir is one of three men united in office; specifically in ancient Rome.


    Elmer W. Cavins

  • The wife, indeed, had been nurse to a son of Marcus Lepidus, the triumvir.

  • The Triumvir's slender stipend of 32 a month he spent entirely on others.

  • He could not remember the name of the third triumvir, and it troubled him greatly.

British Dictionary definitions for triumvir


noun plural -virs or -viri (-vɪˌriː)
  1. (esp in ancient Rome) a member of a triumvirate
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Derived Formstriumviral, adjective

Word Origin

C16: from Latin: one of three administrators, from triumvirōrum of three men, from trēs three + vir man
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for triumvir


"one of three men in the same office or of the same authority," 1570s, from Latin triumvir, from Old Latin phrase trium virum, genitive plural of tres viri "three men," from tres "three" (see three) + viri, plural of vir "man" (see virile).

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Online Etymology Dictionary, © 2010 Douglas Harper