worrying Synonyms

perturbing distressing distressful disturbing worrisome torment troubling bedevilment badgering stressful traumatic pesky plaguing preoccupying tormenting serious sobering tense trouble be concerned be anxious unsettling unreassuring nerve-wracking nerve-racking worries worry vexatious vexing upsetting uneasy troublesome perplexing painful concern concerned care bothersome bother bothering bedeviling anxious anxiety annoying alarming agonize difficult discomfiting niggling nagging