obliterative

adjective3

1. •
   Tending or serving to obliterate.

   • The obliterative stage is a natural process of erasing old facts, which frees the mind for new things. — 1977
2. •
   Tending or serving to hide or deny.

   • The obliterative method of reaction seemed to be the most personally satisfying reaction, since more in this group had adequate social adjustments, and derived pleasure from their activities. — 1942
3. •
   Causing a passageway to become completely closed off.

   • In the case of true obliterative appendicitis, however, the opposed surfaces of the lumen have become firmly united to each other, and the obliterating band is absolutely impervious. — 1900