big bang big band • big bang theory · · · Info · Definitions · Characters · · big bang · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) (cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe. Synonyms: big bang. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E