1. • noun - something or someone that causes anxiety
   • noun - a strong feeling of anxiety
   • verb - be worried, concerned, anxious, troubled, or uneasy
   • verb - be concerned with
   • verb - disturb the peace of mind of
   • verb - be on the mind of
   • verb - lacerate by biting
   • verb - touch or rub constantly
2. • To feel uneasy or concerned about something; be troubled.
   • To pull or tear at something with or as if with the teeth.
   • To proceed doggedly in the face of difficulty or hardship; struggle: worried along at the problem.
   • To cause to feel anxious, distressed, or troubled.
   • To bother or annoy, as with petty complaints.
   • To seize with the teeth and shake or tug at repeatedly: a dog worrying a bone.
   • To attack roughly and repeatedly; harass.
   • To touch, move, or handle idly; toy with: worrying the loose tooth with his tongue.
   • The act of worrying or the condition of being worried; persistent mental uneasiness.
   • A source of nagging concern or uneasiness.
3. • v - to feel anxious and uneasy about something

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