Word: befoul
Part of speech: Verb
Syllables: be
foul
Definition: To stain or mar (for example with infamy or disgrace).
Morphemes:
Affix: be-
Language: en
PoS: Prefix
Meaning: Forming verbs derived from nouns or adjectives, usually with the sense of "to make, become, or cause to be".
Affix: foul
Language: en
PoS: Verb
Meaning: To make dirty.