1. made difficult or slow; - Example: "we blamed our impeded progress on lack of money"
The Collaborative International Dictionary of English v.0.48:
Impede \Im*pede"\, v. t. [imp. & p. p. Impeded; p. pr. & vb.
n. Impeding.] [L. impedire, lit., to entangle the feet;
pref. im- in + pes, pedis, foot. See Foot, and cf.
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.
WordNet (r) 3.0 (2006):
adj 1: made difficult or slow; "we blamed our impeded progress
on lack of money"