v. 25B6; verb (formal)
his contribution was derogated by critics : DISPARAGE, denigrate, belittle, deprecate, deflate; decry, discredit, cast aspersions on, run down, criticize; defame, vilify, abuse, insult, attack, pour scorn on; informal pull apart, drag through the mud, knock, slam, bash, bad-mouth; Brit. informal rubbish, slate, slag off.
the act would derogate from the king's majesty : DETRACT FROM, devalue, diminish, reduce, lessen, depreciate; demean, cheapen.
rules which derogate from an Act of Parliament : DEVIATE, diverge, depart, digress, stray; differ, vary; conflict with, be incompatible with.
praise, increase.