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delusion Synonyms

Another word for delusion

Choosing another word for delusion depends on context, so the 17 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

A persistent false belief or impression firmly maintained despite being contradicted by reality or rational argument.

Usage Example

"He labored under the misconception that the company would succeed without any financial planning."

Strongest
misconception
misbelief
Strong
illusion
fallacy
pipe dream
fantasy
figment
chimera

• noun (Context 2)

In psychiatry, a fixed, idiosyncratic false belief that is resistant to reason or factual disproof and is not shared by others of the same cultural background, typically occurring as a symptom of a mental disorder.

Usage Example

"The patient exhibited delusions of persecution, remaining convinced that neighbors were monitoring his thoughts."

Strong
paranoia
Weak
hallucination
psychosis

• noun (Context 3)

The action of deceiving or misleading someone, or the state of being deceived.

Usage Example

"Their campaign relied on the deliberate deception of the public regarding the environmental costs of the project."

Strongest
deception
Strong
self-deception
deceit
trickery
dupery
beguilement

Opposites of delusion

The opposite of delusion shifts depending on context. Common opposites include:

reality
truth
disillusionment
fact
actuality
sanity
enlightenment
honesty
See all opposites of delusion

• Nearby Words

deltoid
delude
deluge
delusion
delusional
delusionally
delusionary

Cite this Entry

Wordmom. (2026). Synonyms for Delusion. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/delusion
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