SAD Definition

SAD
abbreviation

1. psychol.
Seasonal affective disorder.

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sad
adj sadder, saddest

1. Feeling unhappy or sorrowful.

Thesaurus: downcast, dismal, gloomy, desolate, melancholy, unhappy, dispirited, dejected, troubled, morose, depressed, despondent, wistful, crestfallen, pessimistic, down in the mouth, down in the dumps, blue (slang); Antonym: happy, cheerful.
2. Causing unhappiness.

Example: sad news
3. Expressing or suggesting unhappiness.

Example: sad music
Thesaurus: mournful, pitiful, sorrowful, moving, touching, heart-rending, pathetic; lugubrious, tear-jerking (slang); joyless, dreary, dark, funereal; Antonym: heartening, comforting, pleasant.
4. Very bad; deplorable.

Example: a sad state
5. colloq
Lacking in taste; inspiring ridicule.
Example: He has such sad taste in music
Thesaurus: inferior, cheap, common, poor, second-class, shabby.

Derivative: sadly

In a sad manner; sad to relate.

Unfortunately.

Derivative: sadness
noun

The quality of being unhappy or sorrowful
Thesaurus: sorrow, dejection, melancholy, grief, distress, despondence, regret, sorrow, oppression; Antonym: delight, happiness.

Etymology: Anglo-Saxon sæd weary.

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seasonal affective disorder
noun

1. psychol.
A recurrent change in mood occurring at a particular time of year, especially a pattern of repeated depression during the winter months.