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

  • n. Something that impedes; a hindrance or obstruction. See Synonyms at obstacle.
  • n. An organic defect preventing clear articulation: a speech impediment.
  • n. Law Something that obstructs the making of a legal contract.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hindrance; that which impedes or hinders progress.
  • n. Baggage, especially that of an army; impedimenta

from the GNU version of the Collaborative International Dictionary of English

  • n. That which impedes or hinders progress, motion, activity, or effect.
  • transitive v. To impede.

from The Century Dictionary and Cyclopedia

  • To impede.
  • n. That which impedes or hinders progress; hindrance; obstruction; obstacle.

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

  • n. any structure that makes progress difficult
  • n. something immaterial that interferes with or delays action or progress


Middle English, from Old French, from Latin impedīmentum, from impedīre, to impede; see impede.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin impedimentum. (Wiktionary)



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