The meaning of the Acronym SAD is...

SAD is

• Seasonal Affective Disorder

More Meanings For SAD:

• Supply Air Duct
• School of Architecture and Design
• Selected Area Diffraction
• Silicon Avalanche Diode
• Scientifically Aided Design
• System Analysis and Design
• Sum of Absolute Differences
• Students Affairs Department
• Surprise And Delight
• Stone Age Designs
• Sadi S. p. A.
• Shapes And Designs
• Silly And Disruptive
• Summons Alert Days
• Stoned And Drugged

SAD is also in:

• Accounting
• Architecture
• Educational
• Electronics
• Firms
• Law
• Mathematics
• Universities