| Noun | 1. | uncheerfulness - a feeling of dreary or pessimistic sadnesssadness, unhappiness - emotions experienced when not in a state of well-being joylessness - a feeling of dismal cheerlessness |
| 2. | uncheerfulness - not conducive to cheer or good spiritsattribute - an abstraction belonging to or characteristic of an entity disposition, temperament - your usual mood; "he has a happy disposition" cheerfulness, sunniness, cheer, sunshine - the quality of being cheerful and dispelling gloom; "flowers added a note of cheerfulness to the drab room" |