Synonym Chooser

How does the noun hallucination contrast with its synonyms?

Some common synonyms of hallucination are delusion, illusion, and mirage. While all these words mean "something that is believed to be true or real but that is actually false or unreal," hallucination implies impressions that are the product of disordered senses, as because of mental illness or drugs.

suffered from terrifying hallucinations

When is it sensible to use delusion instead of hallucination?

The words delusion and hallucination are synonyms, but do differ in nuance. Specifically, 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 illusion be used instead of hallucination?

Although the words illusion and hallucination have much in common, illusion implies a false ascribing of reality based on what one sees or imagines.

an illusion of safety

When is mirage a more appropriate choice than hallucination?

While in some cases nearly identical to hallucination, 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 hallucination As the use of AI in law continues to grow, so do concerns over instances of AI hallucinations and citations of cases that never existed popping up in legal filings. Kevin Nious, NBC news, 29 May 2025 In one of the film's most memorable scenes, Craig has a wholly unremarkable hallucination set inside a Subway store. Patrick Ryan, USA Today, 24 May 2025 Soon, a malevolent fetch -- his ghostly double -- emerges, taunting him with hallucinations of his dead son and dragging him toward the brink of madness. Arkansas Online, 22 May 2025 Admittedly, Slaton thought the cabin was a hallucination. Mya Abraham, VIBE.com, 21 May 2025 See All Example Sentences for hallucination
Recent Examples of Synonyms for hallucination
Noun
  • High ceilings, tall doors, oversized windows, and a herringbone parquet floor with oversized proportions were also key to creating the illusion of extra space.
    Mailin Sophie Zieser, Architectural Digest, 7 June 2025
  • While there is a warming and cooling sensation associated with these products, the ingredients act on nerve endings to create an illusion of hot and cold.
    Novant Health, Charlotte Observer, 6 June 2025
Noun
  • Valerie often allowed her vanity and delusion to stand in her way, but also has a certain purity in her desire for mainstream success; viewers on the show’s wavelength might alternately cringe, laugh and feel deeply for her over the course of just a few minutes.
    Daniel D'Addario, Variety, 5 June 2025
  • Although she was never formally diagnosed, E.A. believes Lewes may have experienced bipolar disorder, marked by episodes of extreme paranoia and delusions, which became more frequent as time went on.
    Jordana Comiter, People.com, 5 June 2025
Noun
  • Honestly, this mattress is a dream, with the price point being under $2,000 for a California King.
    Nashia Baker, Architectural Digest, 13 June 2025
  • The chefs also had access to extraordinary local ingredients from Milan’s market, a dream for any cook.
    Buddha Lo, People.com, 13 June 2025
Noun
  • The myth had inspired many works by Old Masters, including several paintings by Titian.
    Rebecca Mead, New Yorker, 9 June 2025
  • The line between the reality and the myth becomes blurred, and this confusion continues to harm women, especially those who are isolated and silenced.
    Anna Marie de la Fuente, Variety, 8 June 2025
Noun
  • Each room was designed to feel like a small private home, complete with its own terrace, living, and dining spaces—and indeed my suite, retro yet refined, felt straight out of Don Draper’s West Coast daydream.
    Elise Taylor, Vogue, 24 Apr. 2025
  • After a few episodes, Tim stopped checking in with his lawyer and his employees and started escaping into whiskey, pills and suicidal daydreams.
    Noel Murray, New York Times, 6 Apr. 2025
Noun
  • The government has admitted in court that his deportation was an administrative error.
    Kaelan Deese, The Washington Examiner, 7 June 2025
  • In 2018, a study by MIT Media Lab revealed that commercial AI systems had error rates of up to 34% for darker-skinned women, compared to just 1% for lighter-skinned men.
    Jessica Smith, Time, 6 June 2025
Noun
  • Set to John Kander and Fred Ebb's award-winning score, the trailer offers a glimpse at the film’s blend of gritty realism and old-Hollywood fantasy.
    Dave Quinn, People.com, 5 June 2025
  • Her big-screen debut came in 1985 in Ridley Scott's Legend, a fantasy film that also starred Tom Cruise and Tim Curry.
    Wesley Stenzel, EW.com, 4 June 2025
Noun
  • Ultimately, much may depend on their vision for Nwaneri’s and Dowman’s ultimate positions — and the outcome of he former’s contract negotiations.
    James McNicholas, New York Times, 6 June 2025
  • The expansion all ladders up to Leahy’s vision for the brand.
    James Manso, Footwear News, 5 June 2025

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Cite this Entry

“Hallucination.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hallucination. Accessed 19 Jun. 2025.

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