Word: dummy
Part of speech: Noun
Syllables: dum
my
Definition: An unintelligent person.
Morphemes:
Affix: dumb
Language: en
PoS: Adjective
Meaning: Pointless, foolish, lacking intellectual content or value.
Affix: -y
Language: en
PoS: Suffix
Meaning: Forming diminutive nouns.