Noun

• S: (n) concern, worry, headache, vexation (something or someone that causes anxiety; a source of unhappiness) "New York traffic is a constant concern"; "it's a major worry"
• S: (n) worry, trouble (a strong feeling of anxiety) "his worry over the prospect of being fired"; "it is not work but worry that kills"; "he wanted to die and end his troubles"

Verb

• S: (v) worry (be worried, concerned, anxious, troubled, or uneasy) "I worry about my job"
• S: (v) worry, care (be concerned with) "I worry about my grades"
• S: (v) worry, vex (disturb the peace of mind of; afflict with mental agitation or distress) "I cannot sleep--my daughter's health is worrying me"
• S: (v) concern, interest, occupy, worry (be on the mind of) "I worry about the second Germanic consonant shift"
• S: (v) worry (lacerate by biting) "the dog worried his bone"
• S: (v) worry (touch or rub constantly) "The old man worried his beads"