paranoia

/ˌpɛrəˈnɔɪə/
noun
  1. An unreasonable or extreme feeling that others are trying to harm or threaten you.
    • Living in constant paranoia can be exhausting and lonely.
    • The spy's paranoia was justified given the dangerous work he did.
    • His paranoia made him think his coworkers were plotting against him.
  2. A mental condition characterized by delusions of persecution or grandeur.
    • Paranoia is a symptom of some mental health disorders.
    • She was diagnosed with paranoia after months of irrational fears.
    • Treatment for paranoia often includes therapy and medication.
Antonyms
What does "paranoia" mean? | whatsthatwordmean | whatsthatwordmean