to make (something) worse or more serious

annoy

(usually passive) to attack, cause trouble for, (a person, business etc) in several ways

plague; hem in

(usually passive) to produce anger, annoyance etc in

upset, provoke

to cause small but frequent feelings of anger or annoyance

upset, anger

to treat (a person, group) cruelly because of beliefs or opinions

wrong, torment

to annoy or trouble (a person)

bother, harass