antifat

adjective2

1. •
   Opposed to obese people; fattist.

   • From their study, Latner and Stunkard concluded that antifat attitudes are getting worse. — 2007
2. •
   (old-fashioned) Counteracting fat; having a slimming effect.

   • However, in the prolonged antifat treatment, even if slowly performed, one never succeeds entirely... — 1911