antiself

anti- +‎ self

antiself (not comparable)

1. (immunology, of an antibody) Acting against the organism in which it occurs.

antiself (plural antiselves)

1. An entity opposing or reflecting a self.
   • 1988, Stephen Hawking, A Brief History of Time: From the Big Bang to Black Holes, page 75:

     There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!

   • 1999, Gerald R. Vizenor, Manifest Manners: Narratives on Postindian Survivance, page 7:

     The Western movies, of course, are not cultural visions, but the vicious encounters with the antiselves of civilization, the invented savage.

• inflates