| estrange(sour, poison, disillusion) |
| exercise(verb, increase, bother, raise, severe) |
| extend(verb, advance, increase, develop, raise) |
| fan(disturb, provoke, anger, arouse) |
| fester(verb, annoy, irritate, inflamed, intensify) |
| foment(verb, disturb, encourage, raise, provoke) |
| fuel |
| get on one's nerves(verb, idiom, trouble, annoy, pain) |
| goad(verb, upset, trouble, drive, bother) |
| gripe |
| hassle(verb, upset, drive, bother, push) |
| heat up(verb, expression, upset, increase, disturb) |
| hound(verb, drive, bother, push, provoke) |
| incite(verb, drive, disturb, encourage, raise) |
| injure(verb, upset, abuse, irritate, offend) |
| instigate(verb, drive, disturb, encourage, push) |
| intensate(verb, advance, increase, develop, disturb) |
| ire(noun, provoke, irritate, anger, infuriate) |
| itch(bother, annoy, provoke) |
| key up(expression, disturb, agitate, heighten) |