1. relating to or characterized by paranoia or extreme suspicion

1. a person who suffers from paranoia or exhibits extreme suspicion

Examples

• His paranoiac behavior made it difficult for him to maintain friendships.
• The detective’s paranoiac tendencies helped him solve complex cases.
• She dismissed his concerns as paranoiac delusions.
• The paranoiac refused to use any electronic devices.
• Living as a paranoiac, he constantly checked his locks and windows.
• The therapist worked with the paranoiac to address his fears.
• Her paranoiac thoughts kept her awake at night.