nagging

causing worry or anxiety I have this nagging feeling that something will still go wrong Synonyms discomforting, discomposing, disquieting, distressing, disturbing, troublesome, nasty, perturbing, 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