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

  • adj. Facing or turned toward the observer: the obverse side of a statue.
  • adj. Serving as a counterpart or complement.
  • n. The side of a coin, medal, or badge that bears the principal stamp or design.
  • n. The more conspicuous of two possible alternatives, cases, or sides: the obverse of this issue.
  • n. Logic The counterpart of a proposition obtained by exchanging the affirmative for the negative quality of the whole proposition and then negating the predicate: The obverse of "Every act is predictable” is "No act is unpredictable.”

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Turned or facing toward the observer.
  • adj. Corresponding; complementary.
  • n. The heads side of a coin, or the side of a medal or badge that has the principal design.
  • n. The double negative of a statement e.g. All men are mortal => No man is immortal

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the base, or end next the attachment, narrower than the top, as a leaf.
  • n. The face of a coin which has the principal image or inscription upon it; -- the other side being the reverse.
  • n. Anything necessarily involved in, or answering to, another; the more apparent or conspicuous of two possible sides, or of two corresponding things.

from The Century Dictionary and Cyclopedia

  • Turned toward (one); facing: opposed to reverse, and applied in numismatics to that side of a coin or medal which bears the head or more important inscription or device.
  • In botany, having the base narrower than the top, as a leaf.
  • n. In numismatics, the face or principal side of a coin or medal, as distinguished from the other side, called the reverse. See numismatics, and cuts under maravedi, medallion, and merk.
  • n. Hence A second aspect of the same fact; a correlative proposition identically implying another.
  • n. Specifically, in logic, the contranominal of the inverse of a proposition.

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

  • n. the more conspicuous of two alternatives or cases or sides
  • n. the side of a coin or medal bearing the principal stamp or design


Latin obversus, past participle of obvertere, to turn toward; see obvert.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin. (Wiktionary)



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