troubling Synonyms

worrying disturbing distressful distressing worrisome perturbing roiling ruffling sad preoccupying troublesome plaguing pestering painful pain nettling nagging Messing serious tormenting travailing not good unsettling unreassuring cringeworthy nerve-racking trouble oneself bugging worry vexatious vexing upsetting uneasy troublous trouble jumbling irritating irksome discomfiting difficult deviling concern churning bothersome bother bothering bedeviling badgering annoying alarming