runtime error run-time error • runtiness · · · Info · Definitions · Synonyms · Characters · · runtime error · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) an error in logic or arithmetic that must be detected at run time. Synonyms: semantic error, run-time error, runtime error. · · Noun Definition 1 Synonyms · · · semantic error · · Synonym 1 run-time error · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075