first sergeant first-seen • firstship · · · Info · Definitions · Synonyms · Characters · · first sergeant · · Text Common · · Latin · · Scripts 14 · · Length 3 · · Syllables Definitions · · · (noun) a sergeant in the Army above the rank of staff sergeant and below master sergeant. Synonyms: first sergeant, sergeant first class. · · Noun Definition 1 Synonyms · · · sergeant first class · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074