Meta-ethical relativism seems to eliminate the normative relativist's ability to make prescriptive claims. In other words, normative relativism may find it difficult to make a statement like "we think it is moral to tolerate behaviour" without always adding "other people think intolerance of certain behaviours is moral". 
But meta-ethical relativism is not quite fully-fledged moral relativism; for one could consistently affirm it and still insist that one particular standpoint was demonstrably superior to all others. It is the denial of this possibility that gives moral relativism a more radical edge and is responsible for much of the criticism it attracts.
Feb 19, 2004 · Moral relativism is an important topic in metaethics. It is also widely discussed outside philosophy (for example, by political and religious leaders), and it is controversial among philosophers and nonphilosophers alike.
Meta-ethical moral relativism states that there are no objective grounds for preferring the moral values of one culture over another. Societies make their moral choices based on their unique beliefs, customs, and practices. And, in fact, people tend to believe that the “right” moral values are the values that exist in their own culture.
Emotivism is a meta-ethical view that claims that ethical sentences do not express propositions but emotional attitudes. Hence, it is colloquially known as the hurrah/boo theory.
Jun 20, 2006 · It is also worth emphasising that moral value pluralism does not entail relativism. The idea is not that all values or value systems are equally true. Value pluralism is independent of any particular meta-ethical view. It is a claim about the normative domain: about what value looks like.
Metaethics. Metaethics is a branch of analytic philosophy that explores the status, foundations, and scope of moral values, properties, and words. Whereas the fields of applied ethics and normative theory focus on what is moral, metaethics focuses on what morality itself is.
El relativismo moral es la creencia que da igual valor, legitimidad, importancia y peso a todas las opiniones morales y éticas con independencia de quién, cómo, cuándo y dónde se expresen; por tanto, las opiniones morales o éticas, las cuales pueden variar de persona a persona, son igualmente válidas y ninguna opinión de "lo bueno y lo malo" es realmente mejor que otra y no es posible ...