worry

be worried, concerned, anxious, troubled, or uneasy

I worry about my job

be concerned with

I worry about my grades

disturb the peace of mind of; afflict with mental agitation or distress

I cannot sleep, my daughter's health is worrying me

something or someone that causes anxiety; a source of unhappiness

New York traffic is a constant concern

a strong feeling of anxiety

his worry over the prospect of being fired