Akademik

uncheerfulness
noun
1. a feeling of dreary or pessimistic sadness
Syn: ↑cheerlessness
Ant: ↑cheerfulness (for: ↑cheerlessness)
Derivationally related forms: ↑uncheerful, ↑cheerless (for: ↑cheerlessness)
Hypernyms: ↑sadness, ↑unhappiness
Hyponyms: ↑joylessness
2. not conducive to cheer or good spirits
Ant: ↑cheerfulness
Derivationally related forms: ↑uncheerful
Hypernyms: ↑attribute
Hyponyms: ↑gloominess, ↑lugubriousness, ↑sadness
Part Holonyms: ↑disposition, ↑temperament

Useful english dictionary. 2012.