(+ from) to take away a desirable aspect or feature; to detract
(+ from) to deviate or go astray from (e.g. a principle or standard)
to criticize or disparage (something or somebody)
to reduce the applicability of (a law or regulation)
derogation noun
derogative /diʹrogətiv/ adj
[Latin derogatus, past part. of derogare to annul (a law), detract, from de- + rogare to ask, propose (a law)]