Sad (disambiguation)

The word sad refers to an emotional condition.

SAD or sad may also refer to:

In arts and entertainment

• "Sad" (Maroon 5 song), ninth track on the album Overexposed
• "Sad", a short song by Linkin Park on the album LP Underground 9: Demos
• "S.A.D.", a song by Man Overboard from Heart Attack
• "Sad", a song by Pearl Jam on the album Lost Dogs
• SAD, a planned film, abandoned after actor Corey Haim died

In language

• Ṣād, a letter of the Arabic alphabet (ﺹ)
• Sad (sura), the 38th sura of the Qur'an (named after the letter)
• Sandawe language (ISO 639 language code), a tonal language spoken in Tanzania

Organizations

• Shiromani Akali Dal, a political party in India
• Sociedad Anónima Deportiva, an incorporated sports club in Spain
• Sociedade Anónima Desportiva, an incorporated sports club in Portugal
• Special Activities Division, the Central Intelligence Agency's special operations force in the United States

Places

• Sad, Oman, a village in Muscat Governorate, Oman
• Sad, Podlaskie Voivodeship, a village in north-east Poland
• Safford Regional Airport (IATA airport code) in Safford, Arizona, United States

In science and technology

In medicine and psychology

• Sagittal abdominal diameter, one's "front-to-back" body diameter at the waistline
• Schizoaffective disorder, a psychiatric diagnosis with symptoms of a mood disorder and schizophrenia
• Seasonal affective disorder, a mood disorder with depressive symptoms peaking annually, commonly in winter
• Separation anxiety disorder, a psychological condition related to anxiety of separation from home or from people
• Sexual arousal disorder, the inability to attain or maintain typical responses to sexual arousal
• Social anxiety disorder, a diagnosis referring to excessive anxiety in social situations
• Standard American Diet, a phrase associated with diet-related obesity in the United States
• Syncope, angina, and dyspnea, classic symptoms of severe aortic stenosis

Other uses in science and technology

• Selected area diffraction, a crystallographic experimental technique that can be performed inside a transmission electron microscope
• Silicon avalanche diode, an electronic component
• Single wavelength anomalous dispersion, a technique used in X-ray crystallography to determine the structure of proteins
• Source axis distance, in external beam radiotherapy the distance from the source of photons to the isocentre
• Sum of absolute differences, a simple metric for motion estimation in video compression
• Sum of absolute deviations (or least absolute deviations), a mathematical optimization technique
• Systems analysis and design, an interdisciplinary part of science

Other uses

• Sarah and Duck a television series
• Single Administrative Document, basis for customs declarations in the EU and in Switzerland , Norway and Iceland
• Singles Awareness Day, a humorous holiday celebrated on February 14
• Suicide Attack Database, a database of all known suicide attacks from 1982 to 2013

See also

• Sad Song (disambiguation)