The word '''eternalism''' has at least three meanings:
- Eternalism (philosophy of time) is a view according to which the past, present and future are all equally real.
- Eternalism is a position in Phenomenology (philosophy)|phenomenology that the world must be seen as static and fixed. This worldview is in opposition to mobilism, which states that the world must be seen as in a constant state of flux. These worldviews are particularly relevant to paradoxology.
- Eternalism/Perpetualism is the common English language|English translation of sasatavada, the doctrine of eternal becoming rejected by Buddhism.
