Relativism is the concept that points of view have no absolute truth or validity, having only relative, subjective value according to differences in perception and consideration. The term is often used to refer to the context of moral principle, where in a relativistic mode of thought, principles and ethics are regarded as applicable in only limited context. There are many forms of relativism which vary in their degree of controversy. The term often refers to truth relativism, which is the doctrine that there are no absolute truths, i.e., that truth is always relative to some particular frame of reference, such as a language or a culture (cf. cultural relativism). Another widespread and contentious form is moral relativism. (See also moral relativism, aesthetic relativism, social constructionism, and cognitive relativism.)

Relativism is sometimes interpreted as saying that differing points of view are equally valid, in contrast to an absolutism which argues there is but one true and correct view.^{[citation needed]}