delusion

noun

A false belief that is resistant to confrontation with actual facts.

A fixed, false belief, that will not change, despite evidence to the contrary.

That which is falsely or delusively believed or propagated; false belief; error in belief.

The state of being deluded or misled, or process of deluding somebody.

Roots

ludolus- · Latin · play

Synonyms for delusion

illusionn hallucinationn fallacyn figmentn deliriumn hallucinosisn misconceptionn misbelief deceptionn daydreamn

Synonyms & related words for delusion

Find synonyms, related words, and the definition of delusion — including illusion, hallucination, fallacy, figment, delirium, hallucinosis. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to delusion

Explore words related to delusion — words associated with it, words that go with it, and its nearest matches in meaning. Related words include delusional, deluded, disillusionize, illusional, hallucinative, delusively, illusory, deluding. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for delusion

Common synonyms for delusion include illusion, hallucination, fallacy, figment, delirium, hallucinosis, misconception, misbelief — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does delusion come from?

The word delusion breaks down into one root of Latin origin: the root lus-, from Latin ludo (“play”). Explore each root to see other English words built from the same source.