Definition of illusionnext

Synonym Chooser

How does the noun illusion contrast with its synonyms?

Some common synonyms of illusion are delusion, hallucination, and mirage. While all these words mean "something that is believed to be true or real but that is actually false or unreal," illusion implies a false ascribing of reality based on what one sees or imagines.

an illusion of safety

When is delusion a more appropriate choice than illusion?

While the synonyms delusion and illusion are close in meaning, 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 could hallucination be used to replace illusion?

In some situations, the words hallucination and illusion are roughly equivalent. However, hallucination implies impressions that are the product of disordered senses, as because of mental illness or drugs.

suffered from terrifying hallucinations

When might mirage be a better fit than illusion?

The words mirage and illusion are synonyms, but do differ in nuance. Specifically, 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 illusion Today’s show featured bold elements, with a vibrant palette of primary colors, panniers and padding that created the illusion of an enormous bottom, or exaggerated green fringing on Bermuda shorts that gave an audible swish as the models walked by. — Lucy Maguire, Vogue, 25 Sep. 2026 However, this daily limitation is an illusion of protection because customers report the number of transactions that day, rather than requiring the crypto kiosk industry to implement available technology to ensure compliance. — Mike Ryan, Sun Sentinel, 24 Sep. 2026 Zoom out from New York, though, and the illusion starts to fade. — Clara Molot, Vanity Fair, 24 Sep. 2026 The jewelry designer turned heads in a sheer green lace illusion gown in Spain. — Lara Walsh, InStyle, 24 Sep. 2026 See All Example Sentences for illusion
Recent Examples of Synonyms for illusion
Noun
  • The hoarder’s house functions as the deferred dream, the repository of all frustration.
    — Sam Worley, Vulture, 5 Oct. 2026
  • Each contestant must pitch, prototype and perfect their dream dish with their creations then stress-tested for taste, kitchen feasibility, and trialled with real customers, to win a place on the menu.
    — Leo Barraclough, Variety, 5 Oct. 2026
Noun
  • The Mayo Clinic defines the mental health condition as typically marked by hallucinations, delusions, depression, and mania.
    — Leigh Blickley, Entertainment Weekly, 29 Sep. 2026
  • Hill became increasingly paranoid and developed delusions that she was being surveilled.
    — Rebecca White, New York Daily News, 28 Sep. 2026
Noun
  • That’s all before setting aside the time to manage a fantasy football roster, oversee a gambling hobby, or make sure you’re fully briefed for the next all-hands—sorry, hangout—at the bar.
    — Jacob Feldman, Sportico.com, 6 Oct. 2026
  • Cinema employees help with laundry, cleaning, maintenance, and guests’ needs — meaning the staff behind the L’Amour fantasy have a whole property to look after on top of everything else.
    — Alison Foreman, IndieWire, 5 Oct. 2026
Noun
  • Best Bedroom Furniture Deals Yes, high-quality, affordable bedroom furniture is not a myth.
    — Audrey Lee, Architectural Digest, 7 Oct. 2026
  • Nalla Roberts has been fascinated with tales like this for years, growing obsessed with Greek myths in her childhood.
    — Olivia Wakim, AJC.com, 7 Oct. 2026
Noun
  • But the level of long-term vision and commitment to that region is incredibly strong.
    — Andrew Edgecliffe-Johnson, semafor.com, 2 Oct. 2026
  • For more than four decades, Conrad’s voice, bass and vision were at the heart of VENOM.
    — Gil Kaufman, Billboard, 2 Oct. 2026
Noun
  • On Friday, the Rams waived punt returner Xavier Smith, who fumbled in last season’s NFC championship game and made several decision-making errors against the Broncos.
    — Gary Klein, Los Angeles Times, 3 Oct. 2026
  • Days later, campus administration clarified that their initial communication was an error.
    — Tarini Mehta, Sacbee.com, 2 Oct. 2026
Noun
  • It's inspired by Snoopy's daydream of being the coolest beagle on campus.
    — Alexa Herrera, CBS News, 16 Sep. 2026
  • The next day, Luwi had a similar daydream, but this time the disapproving patriarch was Gajdusek.
    — Rachel Aviv, New Yorker, 17 Aug. 2026
Noun
  • Subverting the unassuming realism of the city with the twisted unreality of this level design not only heightens the uncanny factor but also unlocks more design creativity.
    — Jordan Minor, PC Magazine, 18 Sep. 2026
  • God is the infinite Mind that naturally causes each individual to know right from wrong, truth from untruth, and most importantly, reality from unreality.
    — Suzanne Riedel, Christian Science Monitor, 22 July 2026

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Cite this Entry

“Illusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illusion. Accessed 9 Oct. 2026.

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