semantic error semantic • semantic memory · · · Info · Definitions · Synonyms · Characters · · semantic error · · Text Common · · Latin · · Scripts 14 · · Length 5 · · 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 · · · run-time error · · Synonym 1 runtime error · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 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 s latin small letter s U+0073 t latin small letter t U+0074