Silastic
5SIL(ICONE RUBBER) + (EL)ASTIC6 trademark for a soft, flexible, inert silicone rubber, used esp. in prosthetic medicine

What is opposite inert? And don't tell me ert.

Being inert means that the material can be used for such things as replacing the common bile duct.
Ordinary rubber would cause trouble, and wouldn't last, either. So opposite of inert would be
irritating.

Seriously, again, wwh, what is the opposite of inert?

I'm really going to bed now. Your list is a good one.

It would be very nice to wake up tomorrow and to find here what the opposite of inert is.

Is there a dictionary site that provides opposites of words?

Good night!