Army, Air Force, Marine Corps. a noncommissioned officer ranking next to the highest noncommissioned officer.
U.S. Air Force. a noncommissioned officer of one of the three top enlisted grades.
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OK Boomer can be perceived as pejorative, but it is mostly considered to be _____
Origin of master sergeant
First recorded in 1930–35
Words nearby master sergeant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for master sergeant
a senior noncommissioned officer in the US Army, Air Force, and Marine Corps and certain other military forces, ranking immediately below the most senior noncommissioned rank
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012