para·noid I. \ˈ ̷ ̷ ̷ ̷ˌnȯid\adjective alsopara·noi·dal\| ̷ ̷ ̷ ̷|nȯidəl\ Etymology: blend of New Latin paranoia & English -oid, -oidal 1.: resembling paranoia 2.: characterized by suspiciousness, persecutory trends, or megalomania < definitely paranoid against the army officers with whom he had been associated — Ben Karpman > II. noun (-s) : one afflicted with paranoia or paranoid schizophrenia III. adjective : extremely or unreasonably fearful