Word: unmirthful
Part of speech: Adjective
Syllables: un
mirth
ful
Definition: Not mirthful; full of or showing high-spirited merriment; - Wordsworth
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: contrary to or contrasted against traditional norms; unconventional; alternative
Affix: merry
Language: en
PoS: Adjective
Meaning: Jolly and full of high spirits; happy.
Affix: -th
Language: en
PoS: Suffix
Meaning: Used to form nouns from adjectives.
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.