Sad wiki:
[o an emotional condition, the antonym of "happy". Sadness is often associated with depression, suffering or grief.SAD is a three letter acronym for multiple medical and psychological disorders:Schizoaffective disorderSeasonal Affective DisorderSexual Arousal DisorderSocial Anxiety Disorder.It is also the acronym for an Indian political party, the Shiromani Akali Dal.
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