Word: mouthful
Part of speech: Noun
Syllables: mouth
ful
Definition: Quite a bit.
Morphemes:
Affix: mouth
Language: en
PoS: Noun
Meaning: A wry face; a grimace; a mow.
Affix: -ful
Language: en
PoS: Suffix
Meaning: Used to form nouns indicating a great deal of the quantity expressed by the noun.