(US) In the United States Army, a non-commissioned officer ranking above sergeant first class and below sergeant major; equal in rank to a master sergeant but with greater command authority.
No comments yet — say something.
(US) In the United States Marine Corps, a non-commissioned officer ranking above gunnery sergeant and below sergeant major or master gunnery sergeant; equal in rank to a master sergeant, but with command rather than technical responsibilities.
No comments yet — say something.
(US) In the United States Air Force, an appointment (not a rank) for the senior member of enlisted personnel in a squadron or other unit. The appointment is usually held by a master sergeant.
No comments yet — say something.
Add your own interpretation of "first sergeant".
The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
See all Tech, Dev & AI slang on Slangora.