1. Plural of antirealism; philosophical positions that deny the objective existence or mind-independent reality of a particular domain (such as mathematics, morality, or the external world).
Usage: philosophy; academic

Examples

• Various antirealisms in metaphysics challenge the assumption that abstract objects exist independently.
• Moral antirealisms argue that ethical truths are not objective facts about the world.
• Mathematical antirealisms suggest that numbers are human constructs rather than discovered entities.
• The debate between realisms and antirealisms has shaped contemporary epistemology.
• Some philosophers defend antirealisms about color, claiming colors depend on observers.