What is a synonym for "schiz"?

Common synonyms include: catatonic, disturbed, manic depressive, neurotic, paranoid, psycho.

Schiz

/skɪts/ adj, noun, verb, slang

adj, noun, verb, slang ·Moderate ·College level

Noun

1
An insane person. slang
"At "The White Visitation" there's a long-time schiz, you know, who believes that he is World War II."

Verb

1
To act in an erratic and unpredictable manner; to go insane; to exhibit symptoms of schizophrenia. intransitive, slang
"Whoa, don't schiz out on me."

Adjective

1
Crazy, insane. slang
"to go schiz"
2
Involving or pertaining to schizophrenia (in the medical sense); schizophrenic. slang
"a schiz patient"
3
Of a situation: odd, bizarre. broadly, slang, uncommon
"This all sounds a little schiz to me."

"At "The White Visitation" there's a long-time schiz, you know, who believes that he is World War II."

Clipping of schizophrenic. Compare schizo, schizoid.