sourdough bread sourdough • soured · · · Info · Definitions · Synonyms · Characters · · sourdough bread · · Text Common · · Latin · · Scripts 15 · · Length 3 · · Syllables Definitions · · · (noun) made with a starter of a small amount of dough in which fermentation is active. Synonyms: sour bread, sourdough bread. · · Noun Definition 1 Synonyms · · · sour bread · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075