Definitions from Wiktionary ( )

▸ adjective:  (heading) Emotionally negative.
▸ adjective:  Feeling sorrow; sorrowful, mournful.
▸ adjective:  Appearing sorrowful.
▸ adjective:  Causing sorrow; lamentable.
▸ adjective:  Poor in quality, bad; shameful, deplorable; later, regrettable, poor.
▸ adjective:  Of colours: dark, deep; later, sombre, dull.
▸ adjective:  (obsolete) Sated, having had one's fill; satisfied, weary.
▸ adjective:  (obsolete) Steadfast, valiant.
▸ adjective:  (obsolete) Dignified, serious, grave.
▸ adjective:  (obsolete) Naughty; troublesome; wicked.
▸ adjective:  (slang) Unfashionable; socially inadequate or undesirable.
▸ adjective:  (dialect) Soggy (to refer to pastries).
▸ adjective:  (obsolete) Heavy; weighty; ponderous; close; hard.
▸ verb:  (transitive, archaic) To make melancholy; to sadden or grieve (someone).
▸ noun:  Alternative form of saad (“Arabic letter”) [The letter ص in the Arabic script.]
▸ noun:  (medicine) Initialism of seasonal affective disorder. [(psychology) A form of depression associated with the lack of natural light during the winter months.]
▸ noun:  Initialism of standard American diet.
▸ noun:  (psychology) Initialism of social anxiety disorder. [(clinical psychology, psychiatry) The most common anxiety disorder, characterized by intense fear in one or more social situations, causing considerable distress and impaired ability to function in at least some parts of daily life.]
▸ noun:  (X-ray crystallography) Initialism of single-wavelength anomalous dispersion.
▸ noun:  (US) Initialism of Special Activities Division.
▸ noun:  (Indian politics) Initialism of Shiromani Akali Dal (Indian political party)

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