derogatory: adjective; °Tending to derogate, or lessen in value; expressing derogation; detracting; injurious; -- with from to, or unto.

"Acts of Parliament derogatory from the power of subsequent Parliaments bind not. --."; °When referring to a clause in a testament: a sentence of secret character inserted by the testator alone, of which he reserves the knowledge to himself, with a condition that no will he may make thereafter shall be valid, unless this clause is inserted word for word; -- a precaution to guard against later wills extorted by violence, or obtained by suggestion.; synonyms: pejorative

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