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

  • adj. Originating or existing during the same period; lasting through the same era.
  • n. One of the same era or period; a contemporary.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of the same age; contemporary.
  • n. Something of the same era or age.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of the same age; existing during the same period of time, especially time long and remote; -- usually followed by with.
  • n. One of the same age; a contemporary.

from The Century Dictionary and Cyclopedia

  • Of the same age; having lived for an equal period.
  • Existing from the same point of time; coincident in duration: followed by with, sometimes by to.
  • Coincident in time; contemporary; synchronous: followed by with.
  • Synonyms Coeval, Contemporaneous. Coeval is more commonly applied to things, contemporaneous to persons; but the distinction is not a rigid one.
  • n. One of the same age or period; a contemporary in age or active existence.

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

  • adj. of the same period
  • n. a person of nearly the same age as another


From Late Latin coaevus : co-, co- + aevum, age; see aiw- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Late Latin coævus, from Latin: com- ("equal") in combination with aevum ("age"). (Wiktionary)



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