Word: heedless
Part of speech: Adjective
Syllables: heed
less
Definition: Unaware, without noticing; careless, inattentive.
Morphemes:
Affix: heed
Language: en
PoS: Noun
Meaning: Careful attention.
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.