EN

Synonyms for psycho

Most common

crazy insane lunatic deranged daft distraught

Synonyms by meaning

Adjective

Noun

1. Weirdo — A person who acts in a bizarre or dangerous manner

weirdo, freak, creep, loose cannon, kook, crackpot informal

2. Wacko — A person who is psychotic, psychopathic, or (broadly) otherwise insane

wacko, looney, nut case

3. Psychotic

psychotic, schizo vulgar, schiz slang

Definitions

  1. adj. 1

    Psychotic, psychopathic, or (broadly) otherwise insane.

  2. n. 1

    A person who is psychotic, psychopathic, or (broadly) otherwise insane.

    The loony bin up on the hill is full of psychos.

  3. n. 2

    A person who acts in a bizarre or dangerous manner.

    She complained that he was a psycho for driving at such a high speed in heavy traffic.

  4. n. 3

    A class, at a college or university, in which psychology is taught.

    I've got anthro, socio, lunch, and psycho.

Forms

Plural
psychos → weirdos, freaks, creeps, kooks…

Example sentences

  • crazy He must be crazy to go out in this stormy weather.
  • insane The like-to-dislike ratio on this video is insane.
  • lunatic Gunter was yelling at the cops like a lunatic to help him.
  • deranged A seriously deranged person lived in that forest.
  • daft Only you could come up with such a daft idea.
  • distraught This child is distraught and may lose his mind.

Popularity over time

Word1850 → 2019Trend
psychosteady
crazyrising
insanerising
lunaticrising
derangedrising
daftrising

Use in printed books, per decade from 1850 to 2019.

By length

3 letters
mad1
4 letters
daft1, loco2, loon1, kook1
5 letters
crazy2, freak1, creep1, nutty2, wacko2, barmy, schiz
6 letters
insane2, fruity2, weirdo2, crazed1, looney2, screwy2, schizo, unsane
7 letters
cracked1, bananas3, lunatic3
8 letters
crackers2, deranged2, demented3, crackpot2
9 letters
psychotic3
10 letters
unbalanced3, distraught2

The small number after each word is its number of syllables (loco2 = 2 syllables).