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paranoia

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Paranoia is a mental disorder with delusions or extreme irrational fear or distrust of others.

(noun)

An example of paranoia is someone thinking that everyone is out to get them.

See paranoia in Webster's New World College Dictionary

noun

Psychiatry a mental disorder characterized by systematized delusions, as of grandeur or, esp., persecution, often, except in a schizophrenic state, with an otherwise relatively intact personality

Origin: ModL < Gr, derangement < para-, beside (see para-) + nous, the mind

See paranoia in American Heritage Dictionary 4

noun

A psychotic disorder characterized by delusions of persecution with or without grandeur, often strenuously defended with apparent logic and reason.
Extreme, irrational distrust of others.

Origin:

Origin: Greek, madness

Origin: , from paranoos, demented

Origin: : para-, beyond; see para-¹

Origin: + nous, noos, mind

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