Word: nutso
Part of speech: Adjective
Syllables: nut
so
Definition: Obsessed; overly enthusiastic.
Morphemes:
Affix: nuts
Language: en
PoS: Adjective
Meaning: Crazy, mad; unusually pleased or, alternatively, angered.
Affix: -o
Language: en
PoS: Suffix
Meaning: A type of person (colloquial).