take up arms take-up • take-up box · · · Info · Definitions · Synonyms · Characters · · take up arms · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (verb) commence hostilities. Synonyms: go to war, take arms, take up arms. · · Verb Definition 1 Synonyms · · · go to war · · Synonym 1 take arms · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 k latin small letter k U+006B m latin small letter m U+006D 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