General terms:
* Inanimate: This is a common term for something not possessing life.
* Non-living: This is another simple and direct way to say something is not alive.
* Abiotic: This term is often used in scientific contexts, particularly in biology and ecology, to describe something that is not derived from living organisms.
More specific terms:
* Artificial: This refers to something that is man-made or created by humans.
* Synthetic: This describes something made from artificial materials, often in imitation of something natural.
* Inert: This describes something that is inactive or lacking the ability to move or change.
* Non-biological: This emphasizes that something is not made up of living cells or organisms.
The best term to use depends on the specific context and what you're trying to convey.
