1. to detract from or diminish the reputation, authority, or standing of something
Usage: formal
2. to take away a part so as to impair
Usage: formal; often legal

Examples

• The scandal did nothing to derogate from his previous achievements.
• Such behavior derogates from the dignity of the office.
• The new policy derogates the authority of local governments.
• Critics argued that the amendment would derogate from constitutional rights.
• His rude comments derogate from his professional reputation.
• The company’s poor service derogates from its brand image.