from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Occurring or existing concurrently; attendant: synonym: contemporary.
  • noun One that occurs or exists concurrently with another.

from The Century Dictionary.

  • In botany, running side by side, as bundles which are not separated by other bundles.
  • Accompanying; conjoined with; concurrent; attending: used absolutely or followed by with or to.
  • noun A thing that is conjoined or concurrent with another; an accompaniment; an accessory; an associated thing, quality, or circumstance.
  • noun A person who accompanies another; an attendant or a companion.
  • noun In mathematics, a form invariantively connected with a given form or system of forms.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, accompanies, or is collaterally connected with another; a companion; an associate; an accompaniment.
  • adjective Accompanying; conjoined; attending.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Happening at the same time as something else, especially because one thing is related to or causes the other, i.e. concurrent.
  • noun Something happening or existing at the same time.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an event or situation that happens at the same time as or in connection with another
  • adjective following or accompanying as a consequence


from The American Heritage® Dictionary of the English Language, 4th Edition

[Late Latin concomitāns, concomitant-, present participle of concomitārī, to accompany : Latin com-, com- + Latin comitārī, to accompany (from comes, comit-, companion; see ei- in Indo-European roots).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

First attested 1607; from French concomitant, from present participle of Latin concomitari ("accompany"), from con- ("together") + comitari ("to company"), from comes ("companion").


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  • Would not this require that memory or reflection in children, which, in another place, is called the concomitant of prudence and age, and not of childhood?

    Pamela 2006

  • Moreover, it is concomitant, that is, under its form of pleasure or of pain, of hope, of spite, of anger, etc., it accompanies all the phases or turns of creation.

    Essai sur l'imagination créatrice. English Albert Heyem Nachmen Baron 1877

  • Do not mistake my friends, he was not alluding to the "concomitant," the key bearer, the riveter of fetters in that deplorable episode in our national history.

    Recollections and reflections : an auto of half a century and more, 1906

  • There is no defence against reproach but obscurity; it is a kind of concomitant to greatness, as satires and invectives were an essential part of a Roman triumph.

    Essays and Tales Joseph Addison 1695

  • "concomitant" with the fighting between government troops and Islamist rebels, Laroche noted.

    ANC Daily News Briefing 2007

  • "concomitant," only on account of the concurrence of the human will which operating and preventing grace has elicited from the will of man.

    The Works of James Arminius, Vol. 2 1560-1609 1956

  • The constitutional privilege of a State to assert its sovereign immunity in its own courts does not confer upon the State a concomitant right to disregard the Constitution or valid federal law.

    The Conservative Assault on the Constitution Erwin Chemerinsky 2010

  • The board said it has returned about $9 billion to Texas investors as a result of investigations and orders related to auction-rate securities, and the state has collected $39 million in concomitant fines.

    Raymond James to Buy Back $300 Million in Auction-Rate Securities Liz Rappaport 2011

  • Rejoicing with displays the triumph: Joy with its concomitant glory, with its splendor, with its effortless skill and delight in skill will always overcome, will pierce all darkness, will even make the darkness suitable to its purposes.

    Final Participation and the Light of God « Unknowing 2010

  • Exporters pay for Japan's chronic reluctance to join free-trade talks in the form of higher tariffs, greater pressure on productivity, higher demand for investment and perhaps a concomitant higher "cost" of capital.

    Selling Trade to Japan Joseph Sternberg 2011


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  • Jane is terrified of flying, and she's also not fond of the concomitant annoyances of air travel

    November 20, 2007

  • Meaning: Following as a consequence

    November 20, 2007