How to Use hallucination in a Sentence

hallucination

noun
  • He could not tell if what he was seeing was real or if it was a hallucination.
  • He has been having hallucinations due to the medication.
  • There are sheer cliffs that come out of prairies as if in a hallucination.
    Jose A. Del Real, Washington Post, 21 Dec. 2022
  • No one in the field has yet solved the hallucination problem.
    Alan Murray, Fortune, 18 Apr. 2023
  • No one in the field has yet solved the hallucination problems.
    Faustine Ngila, Quartz, 17 Apr. 2023
  • The whole years-long debate may soon feel like a hallucination, too.
    Kaitlyn Tiffany, The Atlantic, 4 Apr. 2025
  • And if [Payne] was in a hallucination state, then who knows what would happen.
    Lea Veloso, StyleCaster, 22 Oct. 2024
  • Had a very bad night and still trying to find the balance between pain meds and hallucination.
    Naledi Ushe, PEOPLE.com, 1 Oct. 2021
  • Are the meerkats that appear near the end of the story real or a hallucination?
    Charles McNulty, Los Angeles Times, 9 May 2025
  • Weak from blood loss, the 13-year-old wasn’t sure what was real and what was hallucination.
    Marisa Kwiatkowski, USA TODAY, 14 May 2024
  • Adrian’s had a rough go of it, what with all of the hallucinations and murders and whatnot.
    Will Nevin, OregonLive.com, 26 Jan. 2018
  • Which hallucinations has the reader already built out of rose petals?
    Joanna Biggs, Harper's Magazine, 2 Feb. 2024
  • In the penultimate song, a strange vision of three suns flirts at the edge of hallucination.
    Scott Cantrell, Dallas News, 31 Jan. 2022
  • Between hallucinations and hacking, there will have to be a role for physicians.
    Cory Franklin, Twin Cities, 23 Nov. 2025
  • From hallucinations to rogue agents, there are some very clear risks that come with using AI.
    Alexei Oreskovic, Fortune, 16 June 2026
  • At first, a person has vivid, dreamlike hallucinations, often scenes from their own life.
    Shayla Love, The Atlantic, 24 May 2026
  • No one is sure about the 21st, which goes in for hysteria and hallucination.
    Lance Morrow, WSJ, 14 Nov. 2022
  • But a single hallucination in this context could cause real harm, eroding trust that takes years to build.
    Ruba Borno, Fortune, 12 Mar. 2026
  • It is known to produce brief and intense hallucinations.
    Khloe Quill, FOXNews.com, 19 Feb. 2026
  • The ability to trust it is quite low because of the hallucination problem as the experts call it.
    Dana Taylor, USA Today, 28 Nov. 2025
  • This could not be truly happening; this must be some hallucination!
    Anton Money, Outdoor Life, 4 June 2026
  • Those who are trying to go back to the language of threats and sanctions are prisoners of their past hallucinations.
    Nasser Karimi, The Seattle Times, 15 Aug. 2017
  • Schneider reached through the hallucination to grab her cell phone on the nightstand and called 911.
    Adrianna Rodriguez, USA TODAY, 8 July 2020
  • Her present day interactions with the Liars have all been hallucinations of their ghosts.
    Elizabeth Logan, Glamour, 25 June 2025
  • These are known as AI hallucinations, see my coverage at the link here.
    Lance Eliot, Forbes, 31 Dec. 2024
  • The notion that the world’s problems would be solved if more people took entheogens is a hallucination in and of itself.
    Jahan Marcu, Rolling Stone, 7 Jan. 2022
  • Companies haven’t proved yet that their models are free from hallucinations.
    The Week Us, TheWeek, 4 Feb. 2026
  • The scene is framed with shots of her reading, which would suggest the whole thing is a very realistic hallucination.
    Jessica Goldstein, Vulture, 12 Nov. 2021
  • As noted above, the emphasis was on the states of evil, sycophancy, and hallucination.
    Lance Eliot, Forbes.com, 15 Sep. 2025
  • There's no doubt that hallucinations have been getting lower with every new model.
    Tarun Galagali, Forbes.com, 22 Aug. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'hallucination.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Last Updated: