errorless
adjectiveUK /ˈerələs/
US /ˈerələs/
Something that is errorless has no mistakes at all.
Her errorless spelling test made her teacher very proud.
OTHER MEANINGS
2. Done without any errors or faults.
The gymnast gave an errorless performance and won the gold medal.
3. In learning, describing a task done with no mistakes, often because it is made easy at first.
The teacher used errorless learning so the students could practice without getting frustrated.
4. Free from any wrong answers or defects.
The machine produced an errorless copy of the document.