Learner's definition of ERROR
1 : something that is not correct : a wrong action or statement : mistake
I made an error in my calculations.
They uncovered several errors in his report to the committee.
The paper contains numerous spelling errors.
The computer displayed an error message. [=a message indicating that an error has occurred]
The project was a comedy of errors. [=there were many errors made throughout the project]
The company has admitted that it made an error in judgment [=a poor decision] in trying to expand too quickly.
— see also trial and error at 1trial
2 [count] : a mistake made by a person who is playing a sport (such as baseball or tennis)
1 : not correct
I believe your conclusion is in error. [=incorrect, mistaken]
The judge was in error when she allowed the evidence to be admitted.
2 : in a way that is not correct
My earlier statement was made in error. [=my earlier statement was incorrect]
The evidence was admitted in error. [=incorrectly, mistakenly]
the error of your ways
◊ To see, recognize, acknowledge, etc., the error of your ways is to admit that you have been doing something wrong or behaving badly and to stop doing it.