dirty bomb dirty • dirty dog · · · Info · Definitions · Characters · · dirty bomb · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) an atom bomb that leaves considerable radioactive contamination. Synonyms: dirty bomb. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079