paranoid noun definition in Mental and emotional problems topic from the Oxford Advanced Learner's Dictionary

paranoid

 noun: Mental and emotional problems topic
(also paranoiac BrE /ˌpærəˈnɔɪɪk/ ; NAmE /ˌpærəˈnɔɪɪk/ ; BrE /ˌpærəˈnɔɪæk/ ; NAmE /ˌpærəˈnɔɪæk/ ) a person who suffers from paranoia