perturbing

causing worry or anxiety the perturbing news meant that we'd have to end our vacation prematurely Synonyms discomforting, discomposing, disquieting, distressing, disturbing, nagging, nasty, troublesome, troubling, troublous, unsettling, upsetting, worrisomeRelated Words daunting, demoralizing, discomfiting, disconcerting, discouraging, disheartening, dismaying, dispiriting; chilling, frightening, scary; harassing, persecutive, persecutory; alarming, dire, direful, dread, dreadful, fearful, fearsome, forbidding, formidable, frightening, frightful, ghastly, hair-raising, horrendous, horrible, horrifying, intimidating, scary, shocking, terrible, terrifyingNear Antonyms calming, quieting, settling, soothing; comforting, consoling, dreamy, inviting, lulling, narcotic, pacifying, relaxing, sedative, tranquilizing (also tranquillizing)Antonyms reassuring