(grammar) relative

(philosophy, sociology) The view that the cognitive styles or habits of perception, reasoning, judgment, and knowledge of the world are not absolute, but are relative to historical eras and to various cultures.

(philosophy) Any of several philosophical positions concerned with the differences in moral judgments across different people and cultures.

(philosophy of science) The view that scientific facts about the world are not absolute, but are relative to historical eras and to evolving scientific theories.

plural of moral relativism