n.
Pronunciation: ' per- ə - ˌ no ̇ id, ˌ pa-r ə -
Variant: also para · noi · dal \ ˌ per- ə - ' no ̇ i-d ə l, ˌ pa-r ə - \
Function: adjective
Date: 1904
1 : characterized by or resembling paranoia
2 : characterized by suspiciousness, persecutory trends, or megalomania
3 : extremely fearful
– paranoid noun