We found one dictionary that defines the word err on the right side:

General (1 matching dictionary)

1. err on the right side: Oxford Learner's Dictionaries

▸ Words similar to err on the right side ▸ Usage examples for err on the right side ▸ Idioms related to err on the right side ▸ Wikipedia articles (New!) ▸ Words that often appear near err on the right side ▸ Rhymes of err on the right side ▸ Invented words related to err on the right side