psychotic
adjective/saɪˈkɑtɪk/
Frequency rank: #8,331 most common English word
Meaning
relating to or suffering from a severe mental disorder in which thought and emotions are so impaired that contact with reality is lost.

Example sentence
The detective realized the killer's behavior was completely psychotic after reading the disturbing journal entries.
Synonyms & related words
- deranged
- delusional
- disturbed
- unhinged
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