depress displease sadden discourage dishearten annoy irritate irk vex gall exasperate rile anger upset aggravate provoke pique nettle peeve bug bother offend needle nark infuriate miff disturb madden incense affront enrage outrage antagonise antagonize hassle disgruntle trouble gravel perturb worry hurt fret rattle disgust insult discompose dissatisfy dismay roil mortify scandalise scandalize disappoint discontent frustrate deject disaffect desolate repel grieve dash dispirit perplex revolt distress oppress aggrieve bore dissuade dull tire chagrin agitate dampen pain disenchant deaden repulse disoblige darken calm torment burden demoralize daunt weaken demoralise weary fail fluster curb inhibit disillusion repress halt disconcert deter torture refuse enervate