Synonyms for Antagonize:

n.

frustrate, madden, provoke, drive someone mad. antagonize (noun)
antagonise, counteract.

v.

aggravate (verb)
aggravate, annoy, arouse, badger, bait, bedevil, bother, chafe, discompose, disturb, enrage, envenom, exacerbate, exasperate, fret, grate, harass, harry, hassle, inflame, infuriate, irk, irritate, nag, needle, peeve, perturb, pester, rankle, tease, torment, trouble, upset, vex.
alienate (verb)
alienate, anger, offend, set against.
cause problem; oppose (verb)
alienate, anger, annoy, counteract, irritate, offend, repel, struggle.
conflict (verb)
altercate, bicker, blast, brawl, broil, clamor, clash, collide, conflict, contend, differ, disagree, dissent, feud, riot, row, spar, squabble.
contend (verb)
argue, confront, contrast, defend, dispute, encounter, face, oppose, protest, quarrel, resist, stand, struggle, vie, withstand, wrangle, wrestle.
disagree (verb)
challenge, complain, defy, demur, object, reject, repudiate.
emotion (verb)
antagonise.
oppose (verb)
check, contradict, counter, counteract, counterattack, cross, fight, hinder, impede, inhibit, intercept, interfere, meddle, obstruct, oppress, rebuff, repel, repress, repulse, suppress.

Other synonyms:

madden. anger, frustrate, provoke. estrange
alienate.
poison
envenom.
Other relevant words:
alienate, anger, antagonise, frustrate, madden, offend, provoke, set against.

Usage examples for antagonize

  1. When they were convinced that she realized, in full, the strength of her position, they had no wish to antagonize longer. – The Law of Hemlock Mountain by Hugh Lundsford
  2. Was it wise to antagonize them? – The Puppet Crown by Harold MacGrath
  3. And the last thing I wish to do here is to antagonize the rougher element. – The Heart of Canyon Pass by Thomas K. Holmes