Definitions
1.VerbTo partially repeal (a law etc.). .mw-parser-output .defdate{font-size:smaller}
2.VerbTo detract from (something); to disparage, belittle.
3.VerbTo take away (something from something else) in a way which leaves it lessened.
4.VerbTo detract from (a quality of excellence, authority etc.).
5.VerbTo act in a manner below oneself; to debase oneself.
6.AdjectiveDerogated, annulled in part.
7.AdjectiveDebased, deteriorated.