Synonyms and related words :
affecting, afflictive, alarming, awing, baffling, bewildering, bitter, bleak, bothering, cheerless, chilling, comfortless, confounding, confusing, daunting, deplorable, depressing, depressive, deterrent, deterring, discomforting, discomposing, disconcerting, discouraging, disheartening, dismal, disquieting, distracting, distressful, distressing, disturbing, dolorific, dolorogenic, dolorous, dreary, embarrassing, enigmatic, fear-inspiring, fearful, fearsome, frightening, frightful, grievous, intricate, joyless, lamentable, mournful, moving, mysterious, mystifying, overawing, painful, pathetic, perplexing, perturbing, piteous, pitiable, poignant, problematic, puzzling, regrettable, rueful, sad, saddening, scaring, scary, sharp, sore, sorrowful, startling, touching, uncomfortable, upsetting, woebegone, woeful, wretched,