Part of speech:
(U.S. Army) A noncommissioned officer of the seventh grade, ranking above staff sergeant and below master or first sergeant
(Chiefly British) A noncommissioned or warrant officer of the highest rank in a company or unit of battalion size.
Find another word for first-sergeant. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for first-sergeant, like: command sergeant major, sergeant-first-class, sergeant-major and top sergeant.