Word: mournful
Part of speech: Adjective
Syllables: mourn
ful
Definition: Filled with grief or sadness; being in a state in which one mourns.
Morphemes:
Affix: mourn
Language: en
PoS: Verb
Meaning: To express sadness or sorrow for; to grieve over (especially a death).
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.