shipboard duty shipboard • shipboard soldier · · · Info · Definitions · Synonyms · Characters · · shipboard duty · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) naval service aboard a ship at sea. Synonyms: sea-duty, service abroad, shipboard duty. · · Noun Definition 1 Synonyms · · · sea-duty · · Synonym 1 service abroad · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079