Rectify/ˈrektɪfaɪ/ Definition 1 of 3Pro Tip 1/3Action Required Use 'rectify' when action is needed to correct a situation or error. They must rectify the billing issues immediately. Pro Tip 2/3Taking Responsibility Using 'rectify' often implies acknowledging a mistake and taking steps to make it right. The company promised to rectify the mistake. Pro Tip 3/3Positive Outcome 'Rectify' suggests a resolution that will lead to a positive outcome. She rectified the misunderstanding with a thorough explanation.