Word: befoul
Part of speech: Verb
Syllables: be
foul
Definition: To entangle or run against so as to impede motion.
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: Adjective
Meaning: Entangled and therefore restricting free movement, not clear.