paranoia
/pærəˈʊnɪə/Definitions
1. noun
a persistent delusion of or fear of being persecuted, decoyed, followed, spied upon, etc.
“The actress’s paranoia about being hacked made her extremely cautious with her online presence.”
2. noun
a feeling of anxiety or apprehension about something
“The team’s paranoia about losing the game led them to make some questionable decisions.”
3. noun
a state of mind characterized by irrational distrust or suspicion
“The character’s paranoia about being betrayed by his friends led him to become isolated.”