DELUSION Synonyms: 75 Similar and Opposite Words

Q: How does the noun 'delusion' contrast with its synonyms?

Some common synonyms of delusion are hallucination , illusion , and mirage . While all these words mean "something that is believed to be true or real but that is actually false or unreal," delusion implies an inability to distinguish between what is real and what only seems to be real, often as the result of a disordered state of mind. // delusions of persecution

Q: When can 'hallucination' be used instead of 'delusion'?

While in some cases nearly identical to delusion , hallucination implies impressions that are the product of disordered senses, as because of mental illness or drugs. // suffered from terrifying hallucinations

Q: Where would 'illusion' be a reasonable alternative to 'delusion'?

The synonyms illusion and delusion are sometimes interchangeable, but illusion implies a false ascribing of reality based on what one sees or imagines. // an illusion of safety

Q: When is it sensible to use 'mirage' instead of 'delusion'?

The words mirage and delusion can be used in similar contexts, but mirage in its extended sense applies to an illusory vision, dream, hope, or aim. // claimed a balanced budget is a mirage

delusion

noun

di-ˈlü-zhən

Definition of delusion next

as in illusion

a conception or image created by the imagination and having no objective reality her idea that her new man is a long lost prince is surely just a delusion

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in myth

a false idea or belief he appears to suffer from the delusion that he's the best reporter in the business

Synonyms & Similar Words

Antonyms & Near Antonyms

truth
verity

Synonym Chooser

How does the noun delusion contrast with its synonyms?

Some common synonyms of delusion are hallucination, illusion, and mirage. While all these words mean "something that is believed to be true or real but that is actually false or unreal," delusion implies an inability to distinguish between what is real and what only seems to be real, often as the result of a disordered state of mind.

delusions of persecution

When can hallucination be used instead of delusion?

While in some cases nearly identical to delusion, hallucination implies impressions that are the product of disordered senses, as because of mental illness or drugs.

suffered from terrifying hallucinations

Where would illusion be a reasonable alternative to delusion?

The synonyms illusion and delusion are sometimes interchangeable, but illusion implies a false ascribing of reality based on what one sees or imagines.

an illusion of safety

When is it sensible to use mirage instead of delusion?

The words mirage and delusion can be used in similar contexts, but mirage in its extended sense applies to an illusory vision, dream, hope, or aim.

claimed a balanced budget is a mirage

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of delusion For Max in particular, his parent’s lifelong humorless severity looks more and more like malevolent delusion under a cloak of puritanical righteousness. —

Dennis Harvey, Variety, 11 July 2025 The killer is a man who, for all his delusions, pokes at the other men’s complacency and domesticity — making this thriller a forerunner of everything from Easy Rider to The Hitcher to Collateral. 20. —

Bilge Ebiri, Vulture, 27 June 2025 Maybe that’s why, 20 years on, the film still feels devastatingly real: The delusion is not unique to two cowboys on a mountain. —

Philip Martin, Arkansas Online, 27 June 2025 The private and personalized nature of AI use makes its mental health impact difficult to track, but the evidence of potential harms is mounting, from professional apathy to attachments to new forms of delusion. —

Parmy Olson, Mercury News, 12 July 2025 See All Example Sentences for delusion

Recent Examples of Synonyms for delusion

Noun

Binaural beats are an auditory illusion created when two tones of slightly different frequencies are played separately into each ear at the same time.

— Noma Nazish, Forbes.com, 26 July 2025
The only way to have preserved its life in advance preparation would have been to give a harsh defensive clearcut to the pines that surrounded it, taking away the sound of wind through the branches and stripping the lodge of one of its best elements: the illusion of organic emergence.

— Tom Zoellner, AZCentral.com, 25 July 2025

Definition of illusion

Browse Nearby Words

deluging

delusion

delusional

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Articles Related to delusion

delulu

Delusional; audaciously self-confident

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Let there be no delusion

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“Delusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/delusion. Accessed 29 Jul. 2025.

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Last Updated: 29 Jul 2025 - Updated example sentences

Synonyms of delusion

noun

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Example Sentences