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

  • transitive v. To retard or obstruct the progress of. See Synonyms at hinder1.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. to get in the way of; to hinder

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To hinder; to stop in progress; to obstruct.

from The Century Dictionary and Cyclopedia

  • To be an obstacle to; stand in the way of; hinder; obstruct.
  • Synonyms To clog, retard, delay, check, fetter, hamper.

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

  • v. be a hindrance or obstacle to
  • v. block passage through


Latin impedīre; see ped- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin impedire ("to shackle"), from pes ("foot") (compare pedestrian). First attested use as a verb was in William Shakespeare's Macbeth. (Wiktionary)



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