IMPEDE
obstruct, obturate, impede, occlude, jam, block, close up
(verb) block passage through; “obstruct the path”
impede, hinder
(verb) be a hindrance or obstacle to; “She is impeding the progress of our project”
Source: WordNet® 3.1
Etymology
Verb
impede (third-person singular simple present impedes, present participle impeding, simple past and past participle impeded)
(transitive) To get in the way of; to hinder.
Synonyms
• See also hinder
Antonyms
• assist, help
• expede (obsolete)
• expedite
Anagrams
• impeed
Source: Wiktionary
Im*pede", v. t. [imp. & p. p. Impeded; p. pr. & vb. n. Impeding.]
Etym: [L. impedire, lit., to entangle the feet; pref. im- in + pes,
pedis, foot. See Foot, and cf. Impeach.]
Definition: To hinder; to stop in progress; to obstruct; as, to impede the
advance of troops.
Whatever hinders or impedes The action of the nobler will. Logfellow.
Source: Webster’s Unabridged Dictionary 1913 Edition