What is the meaning of worry?

noun

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

verb

• Be worried, concerned, anxious, troubled, or uneasy.
  • usage: "I worry about my job"
• Be concerned with.
  • usage: "I worry about my grades"
  • synonyms: care
• Disturb the peace of mind of; afflict with mental agitation or distress.
  • usage: "I cannot sleep-my daughter's health is worrying me"
  • synonyms: vex
• Be on the mind of.
  • usage: "I worry about the second Germanic consonant shift"
  • synonyms: concern, interest, occupy
• Lacerate by biting.
  • usage: "the dog worried his bone"
• Touch or rub constantly.
  • usage: "The old man worried his beads"