9 Grammatical Pitfalls


[im-peed] /ɪmˈpid/
verb (used with object), impeded, impeding.
to retard in movement or progress by means of obstacles or hindrances; obstruct; hinder.
Origin of impede
1595-1605; < Latin impedīre to entangle, literally, to snare the feet. See im-1, pedi-1
Related forms
impeder, noun
[im-pee-duh-bil-i-tee, -ped-uh-] /ɪmˌpi dəˈbɪl ɪ ti, -ˌpɛd ə-/ (Show IPA),
impedible, adjective
impedingly, adverb
unimpeded, adjective
unimpeding, adjective
unimpedingly, adverb
slow, delay, check, stop, block, thwart. See prevent.
advance, encourage. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for impedes
  • Flipping an alligator on its back impedes blood flow to the brain causing it to become immobile.
  • In the deep, it's probably more than that, but our general lack of knowledge impedes us from guessing a number.
  • Lack of agreement with other committee members, which impedes student progress.
  • It impedes the myriad normal tasks of day to day life.
  • Anything that impedes that exchange obstructs progress.
  • The result often impedes, rather than encourages, innovation.
  • Homeownership also impedes the economy's readjustment by tying people down.
  • Hydrocarbons cannot dissolve materials as well and this impedes development of complex life.
  • Another is the repeated contraction and expansion of ash-derived clays, which impedes the rooting of plants.
  • It impedes the capacity of certain synaptic receptors to reabsorb a certain neurotransmitter, norepinephrine.
British Dictionary definitions for impedes


(transitive) to restrict or retard in action, progress, etc; hinder; obstruct
Derived Forms
impeder, noun
impedingly, adverb
Word Origin
C17: from Latin impedīre to hinder, literally: shackle the feet, from pēs foot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for impedes



c.1600, back-formation from impediment, or else from Latin impedire "impede, be in the way, hinder, detain," literally "to shackle the feet" (see impediment). Related: Impeded; impedes; impeding.

Online Etymology Dictionary, © 2010 Douglas Harper
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