black operation black opal • blackout · · · Info · Definitions · Characters · · black operation · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) a covert operation not attributable to the organization carrying it out. Synonyms: black operation. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074