Word: unthankful
Part of speech: Adjective
Syllables: un
thank
ful
Definition: Not thankful; ungrateful.
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: absent; lacking; not; negative
Affix: thank
Language: en
PoS: Verb
Meaning: To feel gratitude or appreciation toward.
Affix: -ful
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns. Full of, tending to, or thoroughly possessing the quality expressed by the noun.