WordWeb Online

1. Emotions experienced when not in a state of well-being
   - unhappiness
    
2. The state of being sad
   "she tired of his perpetual sadness"
   - sorrow, sorrowfulness
    
3. The quality of excessive mournfulness and uncheerfulness
   - gloominess, lugubriousness

Derived forms: sadnesses

See also: sad

Type of: feeling, uncheerfulness, unhappiness

Antonym: happiness

Encyclopedia: Sadness