We added an errorbar to the graph to indicate the uncertainty of each measurement.

Her quest for errorlessness in every report earned her the respect of the entire team.

The council branded him an errorist after he repeatedly published flawed reports that misled residents.

The project's failure was blamed on a group of errorists who repeatedly introduced bugs.

We designed an errorproof procedure to minimize mistakes during data entry.

Her errorsome draft needed extensive revision before submission.

She completed the calculations errorfully, so the results were unreliable.