adj. Of poor quality. Lacking.

entemology: Thanks to the military's love for abbreviations and acronyms, unsat is shor for "unsatisfactory"
The plebe had unpolished shoes and a wrinkled uniform. The inspecting officer failed him and said he was completely unsat.
by Marc February 8, 2004
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A word that a dickhead former military guy uses when he can't speak like a normal human being.
(Former) (Sergeant) Dickhead: "Coffee without cream and sugar is entirely UNSAT."
by Tuhnesie July 19, 2011
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An acronym or an abbreviation for "unsatisfactory" made popular by the military, police officers, SPECOPS warriors, Sergeants, Range instructers, S.R.O.s, Krav Maga instructors & E.R.T. personnel the world over
The sergeant explained to the staff how the holster the new guy bought was unsat
by angryKarl February 15, 2011
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