noun
error
AIR-er/ˈerər/
A departure from what is correct or accurate.
The red pencil marks an error in the arithmetic sum.

Etymology
Latin error meant both wandering and a mistake. The connection is figurative: an incorrect judgment or action is a straying from the path of truth or correctness.
In context
there’s still room for the most common kind of mistake: human error. Many human errors are inconsequential: a researcher spills a sample
More examples
- Please check your work for spelling errors.
- The package was sent to our address in error.
- The scale reads two pounds high, so its error is two pounds.
Forms
Similar words
- mistake
- Usually emphasizes a wrong action, choice, or judgment.
- inaccuracy
- Emphasizes a lack of correctness in facts or measurements.