guard duty guard dog • guarded · · · Info · Definitions · Synonyms · Characters · · guard duty · · Text Common · · Latin · · Scripts 10 · · Length 4 · · Syllables Definitions · · · (noun) the duty of serving as a sentry. Synonyms: guard duty, guard, sentry duty, sentry go. Example: "He was on guard that night." · · Noun Definition 1 Synonyms · · · guard · · Synonym 1 sentry duty · · Synonym 2 sentry go · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079