direct support direct sum • direct supporting fire · · · Info · Definitions · Characters · · direct support · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) a mission requiring one force to support another specific force and authorizing it to answer directly the supported force's request for assistance. Synonyms: direct support. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 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