attacking or quarrelling without a reason

belligerent, hostile

causing, showing, great pain or anxiety

difficult and painful, suffering

the state of being mixed up, disordered

disorientation

feeling or causing fear

nasty, scary

severe

severe, painful; serious

causing distress

dangerous, frightening

rough and unpleasant

rough, crude (to the senses)

extremely unpleasant

terrible

(of a person) making repeated and annoying requests

demanding, insistent

causing discomfort, trouble or annoyance

bothersome, troublesome

not suitable or favourable

not appropriate or suitable

said or done at an unsuitable time

not appropriate or suitable

causing pity and sadness

affecting, painful

causing, likely to cause, anger or (sexual) excitement

aggravating

causing great fear or horror; causing great discomfort; extreme; extremely bad

bad, horrible

not satisfactory

insufficient, inadequate

causing worry

troublesome