Definitions

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

  • adj. Having boundaries; enclosed: a closed corridor between the two buildings.
  • adj. Blocked or barred to passage or entry: a closed port.
  • adj. Explicitly limited; restricted: closed membership.
  • adj. Self-contained or self-sufficient: a closed relationship.
  • adj. Barred to the public; conducted in secrecy: a closed session of the judiciary committee.
  • adj. Mathematics Of or relating to a curve, such as a circle, having no endpoints.
  • adj. Mathematics Of or relating to a surface having no boundary curves.
  • adj. Mathematics Of or relating to an interval containing both its endpoints.
  • adj. Mathematics Characterized by or possessing the property by which an operation acting on an element in a set produces an element within the set.
  • adj. Computer Science Of or relating to a file that cannot be accessed.
  • adj. Electricity Allowing electricity to flow or pass: a closed switch.
  • adj. Linguistics Ending in a consonant: a closed syllable.
  • adj. Sports Having the forward foot closer to the intended point of impact with the ball than the rear foot: a closed batting stance.
  • adj. Sports Held or swung with the top or outer edge of the striking face pointing slightly closer to the objective than the lower or inner edge: The club face was closed when it hit the ball, causing a hook.
  • adj. Physics Relating to a model of the universe in which the mass of the universe is sufficient to halt its expansion, and in which its curvature resembles that of a sphere, such that an object moving in a straight line would eventually return to its starting point.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Sealed, made inaccessible or impassable; not open
  • adj. Not operating or conducting trade
  • adj. Non public (as in closed source)
  • adj. Having an open complement.
  • adj. Such that its image under the specified operation is contained in it.
  • adj. Lacking a free variable.
  • v. Simple past tense and past participle of close.

from the GNU version of the Collaborative International Dictionary of English

  • adj. having an opening obstructed.
  • adj. of a curve or surface: having no end points or boundary curves; of a set: having members that can be produced by a specific operation on other members of the same set; of an interval: containing both its endpoints.
  • adj. Being in a position to obstruct an opening; -- especially of doors.
  • adj. having skin drawn so as to obstruct the opening; -- used of mouth or eyes. Opposite of open.
  • adj. requiring union membership; -- of a workplace.
  • adj. closed with shutters.
  • adj. hidden from the public.
  • adj. not open to the general public.
  • adj. unsympathetic; -- of a person's attitude.
  • adj. surrounded by walls.
  • adj. made compact by bending or doubling over.
  • adj. closed or fastened with or as if with buttons.
  • adj. not engaged in activity; -- of an organization or business establishment.

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

  • adj. with shutters closed
  • adj. not open
  • adj. (set theory) of an interval that contains both its endpoints
  • adj. not open or affording passage or access
  • adj. requiring union membership
  • adj. not having an open mind
  • adj. blocked against entry
  • adj. not open to the general public
  • adj. used especially of mouth or eyes

Etymologies

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Examples

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