book of isaiah book of instructions • book of jeremiah · · · Info · Definitions · Characters · · book of isaiah · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) an Old Testament book consisting of Isaiah's prophecies. Synonyms: Isaiah, Book of Isaiah. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B o latin small letter o U+006F s latin small letter s U+0073