Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym SIR is...

SIR is

  • Skill Integrity And Responsibility
  • School Improvement Review

More Meanings For SIR:

  • Serial Infrared
  • Solitaire file Bitmap graphics
  • System Internal Resource
  • Sustained Information Rate
  • Surface Insulation Resistance
  • Shuttle Imaging Radar
  • Science Information Robot
  • Sexy Intelligent Racer
  • Sorry I'm Retarded
  • System Intermediate Representation
  • Silent Information Regulator
  • Soil Insect Rating
  • Standard Information Retrieval
  • String Instrument Repair
  • Sort Interval Recursive

SIR is also in:

Acronym Definition Searched: LIFE FSI APF HIDS QVD 29020 BCD WAD JACK SN GVHD 20410 WHT LB 01021