Definition that contains master sergeant
- first sergeant a sergeant in the Army above the rank of staff sergeant and below master sergeant
- sergeant first class a sergeant in the Army above the rank of staff sergeant and below master sergeant
- scpo a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
- smsgt a senior noncommissioned officer in the Air Force with a rank comparable to master sergeant in the Army
- senior chief petty officer a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
- technical sergeant a noncommissioned officer ranking below a master sergeant in the air force or marines
- senior master sergeant a senior noncommissioned officer in the Air Force with a rank comparable to master sergeant in the Army