Definition of hallucinationnext

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 Some symptoms of diphenhydramine poisoning include drowsiness, agitation, fast heart rate, nausea, vomiting, hallucinations, seizures, dangerous heart rhythm and loss of consciousness. Angelica Stabile, FOXNews.com, 19 June 2026 Certainly there were other movies of note — a French childhood-summer movie called Costa Verde leaned in to the hallucinations to magical effect, suggesting a serious leveling up in the year since the company last held the gathering. Steven Zeitchik, HollywoodReporter, 17 June 2026 Many people of different ages and cultural backgrounds have eaten this mushroom and experienced the same hallucination. Ross Andersen, The Atlantic, 12 June 2026 If the Central Park Five were on trial today, a legion of right wing posters with financial incentives to create the most viral content possible would be flooding social media with digital hallucinations of vengeance. Jack Crosbie, Rolling Stone, 12 June 2026 See All Example Sentences for hallucination
Recent Examples of Synonyms for hallucination
Noun
  • With so much else to rebuild, a baseball season in 2026 seemed like more than a dream.
    Bo Evans, CBS News, 29 June 2026
  • Their dream houses have ocean views, swimming pools and four or more bedrooms, which may be hard to find.
    Roger Vincent, Los Angeles Times, 29 June 2026
Noun
  • By chance, Rhaena arrives at the Gullet on dragonback just in time to make the same hubristic mistake as her sister and her cousin, all suffering from the delusion that the war needs them.
    Amanda Whiting, Vulture, 22 June 2026
  • Schizoaffective disorder is a mental health condition that is marked by a mix of schizophrenia symptoms, such as hallucinations and delusions, and mood disorder symptoms, such as depression, mania and a milder form of mania called hypomania, according to the Mayo Clinic.
    Angela Andaloro, PEOPLE, 22 June 2026
Noun
  • Cosm has really cut its teeth on a lot of live sports and concert films, with the dome shape and stadium seating designed to give the illusion of being on the field or in the front row.
    Brian Welk, IndieWire, 24 June 2026
  • Unfortunately, says Bradley Elliott, a researcher at the University of Westminster and trustee for the British Society for Research on Ageing, this is an illusion.
    Juergen Eckhardt, Forbes.com, 23 June 2026
Noun
  • The piece’s name is also a nod to a Greek myth, in which the 50 daughters of King Danaos—the Danaïdes—were ordered to kill their husbands on their wedding night.
    Nicole Hoey, Robb Report, 25 June 2026
  • Reinventing the Batman myth for a new generation of fans, Absolute Batman reimagines the Dark Knight as a working-class hero up against impossible odds on a mission to prove that even in an era of wealth, power and corruption, one good person can change the world.
    Melanie Goodfellow, Deadline, 25 June 2026
Noun
  • And amidst the momentum of reverie, there’s the line ‘Blink at the light and hope to survive,’ because daydreams in a fascist state can be scary too.
    Nina Corcoran, Pitchfork, 23 June 2026
  • One-touch passing, feinting and ripping hard shots into a tattered net, each is super-charged by vivid daydreams of glory on the international stage.
    Jason Motlagh, Rolling Stone, 22 June 2026
Noun
  • With Yerry De los Santos also fumbling a bunt in the eighth, the Yanks tallied a season-high four errors on the night.
    Gary Phillips, New York Daily News, 26 June 2026
  • Michael Conforto, Alex Bregman and Ian Happ had RBI hits in the sixth, when the Cubs’ runs were unearned thanks to a pair of errors.
    Jerry Beach, Chicago Tribune, 26 June 2026
Noun
  • Now a high schooler at Phillips Academy, a boarding school in Massachusetts, Jung has actualized his vision to keep his grandparents safe on crosswalks − and has a medal and $6,000 to show for it.
    Madeline Mitchell, USA Today, 25 June 2026
  • Modern leadership increasingly demands physical fitness beyond traditional executive skills like strategic vision and emotional intelligence.
    Julian Hayes II, Forbes.com, 24 June 2026
Noun
  • Disney+ has handed a pilot order to Aquamarine, based on the 2006 teen fantasy romantic comedy starring Emma Roberts.
    Denise Petski, Deadline, 25 June 2026
  • Two years ago, Brown appeared on The Drew Barrymore Show to discuss doing her own stunts on the fantasy-action film Damsel.
    Adam England, PEOPLE, 25 June 2026

Browse Nearby Words

Cite this Entry

“Hallucination.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hallucination. Accessed 30 Jun. 2026.

More from Merriam-Webster on hallucination

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster