distressing

daunting, demoralizing, discomfiting, disconcerting, discouraging, disheartening, dismaying, dispiriting

chilling, frightening, scary

alarming, dire, direful, dread, dreadful, fearful, fearsome, forbidding, formidable, frightening, frightful, ghastly, hair-raising, horrendous, horrible, horrifying, intimidating, scary, shocking, terrible, terrifying

troublesome, vexatious

affecting, doleful, moving, piteous, poignant, ruthful, touching

awful, dire, dreadful, fearful, severe, terrible

alarming, disturbing, perturbing, traumatic, unsettling

crushing, excruciating, harrowing, horrible, horrifying, intolerable, overwhelming, shocking, sickening, unbearable

miserable, pitiful, sad, wretched

calamitous, disastrous

bothersome, troublesome

foreboding, misgiving

discouraging, disheartening, strained

restive, restless, unrestful

awkward, embarrassing