Word: heartless
Part of speech: Adjective
Syllables: heart
less
Definition: Listless, unenthusiastic.
Morphemes:
Affix: heart
Language: en
PoS: Noun
Meaning: Personality, disposition.
Affix: -less
Language: en
PoS: Suffix
Meaning: Lacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.