Sad

adj. unhappy, morose, full of grief; distressing, depressing; sorrowful, gloomy; regrettable, rueful

The word sad refers to an emotional condition, the antonym of "happy". Sadness is often associated with depression, suffering or grief..SAD is a three letter acronym.Sagittal Abdominal Diameter, a medical termSchizoaffective disorderSeasonal affective disorderSexual arousal disorderShiromani Akali Dal, an Indian political partySilicon Avalanche Diode, an electronic componentSingles Awareness DaySmall angle diffraction, a technique for analysing materialsSocial anxiety disorderSpecial Activities Division, the Central Intelligence Agency's special operations forceStandard American DietSum of absolute differences, a simple metric for motion estimation in video compressionSupine Abdominal Height, a medical termSystems Analysis and Design Sad can also mean:Ṣād, a letter of the Arabic alphabet .sad, the 38th sura of the Qur'an (named after the letter)Sad, urban-type settlement in Dnipropetrovsk Oblast, Ukraine
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"Sad" redirects here. For abbreviations, see SAD. In everyday language depression refers to any downturn in mood, which may be relatively transitory and perhaps due to something trivial. This is differentiated from Clinical depression which is marked by symptoms that last two weeks or more and are so severe that they interfere with daily living.In the field of psychiatry the word depression can also have this meaning but more specifically refers to a mental illness when it has reached a severity and duration to warrant a diagnosis. The Diagnostic and Statistical Manual of Mental Disorders (DSM) states that a depressed mood is often reported as being: "... depressed, sad, hopeless, discouraged, or 'down in the dumps'."
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SAD seasonal affective disorder. SAD abbr. seasonal affective disorder Seasonal affective disorder Amooddisorder characterized by depression during [more]Sad - Community and Resources

(v. t.)
To make sorrowful; to sadden.
  

(supperl.)
Serious; grave; sober; steadfast; not light or frivolous.
  

(supperl.)
Sated; satisfied; weary; tired.
  

(supperl.)
Hence, bad; naughty; troublesome; wicked.
  

(supperl.)
Heavy; weighty; ponderous; close; hard.
  

(supperl.)
Dull; grave; dark; somber; -- said of colors.
  

(supperl.)
Afflictive; calamitous; causing sorrow; as, a sad accident; a sad misfortune.
  

(supperl.)
Affected with grief or unhappiness; cast down with affliction; downcast; gloomy; mournful.
  

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