troubling Synonyms

perturbing worrisome disturbing distressful distressing worrying serious suspicious sad tormenting ruffling roiling questionable problematic preoccupying plaguing pestering painful pain traumatic travailing trouble not good unsettling unreassuring cringeworthy nerve-racking trouble oneself bugging worry bothersome vexatious vexing upsetting uneasy uncomfortable troublous troublesome nettling nagging Messing discomposing discomforting discomfiting difficult deviling concern churning bother bothering