distressing

Etymology

adj

1. Causing distress; upsetting; distressful.
   The details of the ordeal can be distressing to some readers.
   One end of the east-west building is wet, the other windy, and at present there is smoke abounding, too; but these distressing yard elements can be completely excluded at each end by full-width folding doors …. 1960 December, “New G.E. Line diesel loco maintenance depot at Stratford”, in Trains Illustrated, page 766

verb

1. present participle and gerund of distress