অর্থ : A feeling of dreary or pessimistic sadness.
সমার্থক : cheerlessness
A feeling of spontaneous good spirits.
His cheerfulness made everyone feel better.অর্থ : Not conducive to cheer or good spirits.
The quality of being cheerful and dispelling gloom.
Flowers added a note of cheerfulness to the drab room.Uncheerfulness meaning in Bengali (Bangla).