mithridatic

adjective2

1. •
   Of or related to mithridatism, the gradual acquisition of immunity to poison through repeated exposure.
2. •
   (historical) Of or related to mithridates, universally curative against all poisons.

noun1

1. •
   (no longer used) Synonym of antidote: a treatment which functions like a mithridate.

adjective1

1. •
   (historical) Of or pertaining to the dynasty begun by Mithridates I of Pontus or any of its kings named Mithridates, especially Mithridates VI of Pontus, also known as Mithridates the Great.