erroneously
🇺🇸
/ɪˈrəʊniəsli/
🇬🇧
/ɪˈrəʊniəsli/
in a way that is wrong or based on incorrect information
The teacher mistakenly thought the student had cheated, but it was actually done erroneously by the proctor.
선생님은 학생이 부정행위를 했다고 오해했지만, 실제로는 감독관이 실수로 한 것이었다.