C1 noun /ˌpærəˈnɔɪə/
paranoia
irrationaler und persistierender Glaube, dass Menschen 'dir etwas antun wollen' oder dich ständig beobachten
Meaning
an irrational and persistent feeling that people are 'out to get you' or are constantly watching you
Example
His constant paranoia made it hard for him to trust anyone.
Seine ständige Paranoia machte es schwer, jemandem zu vertrauen.