errorfinder
nounUK /ˈerəˌfaɪndə/
US /ˈerərˌfaɪndər/
A person or tool that looks for mistakes and finds them.
The errorfinder checked my homework and found three spelling mistakes.
RELATED WORDS
OTHER MEANINGS
2. A computer program that searches code for bugs.
The errorfinder flagged a broken link in the app.
3. Someone who is very good at noticing small problems.
My teacher is a real errorfinder when she reads our stories.
4. A device that beeps when something is wrong.
The errorfinder on the machine beeped loudly.