1.
[syn: foul, befoul, defile, maculate]
The Collaborative International Dictionary of English v.0.48:
Befoul \Be*foul"\, v. t. [imp. & p. p. Befouled; p. pr. & vb.
n. Befouling.] [Cf. AS. bef?lan; pref. be- + f?lan to foul.
See Foul, a.]
1. To make foul; to soil.
[1913 Webster]
2. To entangle or run against so as to impede motion.
[1913 Webster]
WordNet (r) 3.0 (2006):
befoul
v 1: spot, stain, or pollute; "The townspeople defiled the river
by emptying raw sewage into it" [syn: foul, befoul,
defile, maculate]