Sad"ness, n. 1.
Heaviness; firmness. [Obs.]
2. Seriousness; gravity; discretion.
[Obs.]
Her sadness and her benignity.
Chaucer.
3. Quality of being sad, or unhappy;
gloominess; sorrowfulness; dejection.
Dim sadness did not spare
That time celestial visages.
Milton.
Syn. -- Sorrow; heaviness; dejection. See Grief.