Medical Definition of antagonize
an·tag·o·nized also British an·tag·o·nisedan·tag·o·niz·ing also British an·tag·o·nis·ing
: to act in antagonism to : counteract <these effects are antagonized by atropine—Ernest Bueding & Harry Most>
Seen and Heard
What made you want to look up antagonize? Please tell us where you read or heard it (including the quote, if possible).