a word

[chrysanthemum]

what do you call the kind of life that the person is still alive but doesn't react? I don't mean comma or brain death?

[leonardoatt]

I am not a teacher but this might be your answer.
PARALYTIC

[tedtmc]

what do you call the kind of life that the person is still alive but doesn't react? I don't mean comma or brain death?

vegetative state

not a teacher

[SoothingDave]

Coma, not comma.

[Raymott]

what do you call the kind of life that the person is still alive but doesn't react? I don't mean coma or brain death

It would be more useful to know what you do mean then.

[emsr2d2]

It would be more useful to know what you do mean then.

I agree that it would be helpful to know what you mean!

My suggestion is "persistent vegetative state". As far as I'm aware, that is (in medical terms) different from a coma.

When someone is brain dead, then it's generally time to pull the plug or stop trying to resuscitate etc. You wouldn't make the same decision (necessarily) for someone in a coma or a PVS.

With regard to an earlier answer, "paralytic" would certainly not work. I can only assume the poster meant "paralysed" but that is completely different. "Paralytic" in BrE means that you are so drunk that you can't function.

[Raymott]

It also depends on how the OP means "doesn't react".
Doesn't react voluntarily? - in a coma, unconcious. WIll still react to pain, by withdrawal of limb, etc.
Doesn't react via deep or superficial reflexes? Deeper coma. Patients in a semi-vegetative state can chew and swallow by the stimulus of food put in their mouths.
Many patients in vegetative states will react to various primitive reflexes - eg. constriction of pupils to light.
Even in brain dead patients, the body can react to infection by inflammation.

So there's a wide range of how a body can react, depending on which systems are still functional.