displeasing -
causing displeasure or lacking pleasing qualities
pleasing giving pleasure and satisfaction; "a pleasing piece of news"; "pleasing in manner and appearance"
ugly displeasing to the senses; "an ugly face"; "ugly furniture"
unpleasant disagreeable to the senses, to the mind, or feelings ; "an unpleasant personality"; "unpleasant repercussions"; "unpleasant odors"
disconcerting,
upsetting causing an emotional disturbance; "his disconcerting habit of greeting friends ferociously and strangers charmingly"- Herb Caen; "an upsetting experience"
infuriating,
maddening,
exasperating,
vexing extremely annoying or displeasing; "his cavelier curtness of manner was exasperating"; "I've had an exasperating day"; "her infuriating indifference"; "the ceaseless tumult of the jukebox was maddening"