psycho
noun/ˈsaɪkoʊ/
Frequency rank: #5,764 of 20,003 in the WORDED list (wordfreq data)
Meaning
a person who is mentally unstable or behaves in a very crazy and frightening way (informal).
Example sentence
Everyone at the party thought he was acting like a total psycho after he started screaming at strangers.
Synonyms & related words
More words in ranks 5,701–5,800
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