hallucinate
verb
hal·lu·ci·nate hə-ˈlü-sə-ˌnāt 
hallucinated; hallucinating
transitive verb
1
: to affect with visions or imaginary perceptions
2
: to perceive or experience as a hallucination
intransitive verb
: to have hallucinations
hallucinator
hə-ˈlü-sə-ˌnā-tər
noun 
Example Sentences
The patient may hallucinate if she has a fever.
Recent Examples on the Web Overdosed on Benadryl while attempting to hallucinate Asphyxiated while attempting to pass out… Hell to Pray From a complaint filed against the City of Boston in January by the Satanic Temple. 
Aaron Fagan, Harper’s Magazine , 7 Dec. 2021 The social media platform has influenced stunts involving face wax challenges (yes), eating corn on the cob, to a spinning power drill (yes) and taking enough Benadryl to hallucinate (yes). oregonlive, 24 Aug. 2021 In a spoof of the vampire hysteria that swept over Europe in the eighteenth and early nineteenth centuries, Palma’s characters hallucinate bloodsuckers running amok in the Italian countryside. Alex Ross, The New Yorker, 9 Aug. 2021 Maki continues to hallucinate and babble about his favorite football players, or a scene from a Batman movie, said Reed, his father. Anchorage Daily News, 20 May 2021 But the Benadryl challenge, which emerged in 2020, encouraged people to take an excessive amount of the medication in an attempt to hallucinate. Alia E. Dastagir, USA TODAY, 27 Apr. 2021 Drugs like 'shrooms don’t just make people hallucinate. Sarah Scoles, Popular Science, 9 Nov. 2020 People who hallucinate are said to see _____ elephants; 21. Richard Lederer, San Diego Union-Tribune, 3 Oct. 2020 The Benadryl Challenge is allegedly making the rounds on TikTok, encouraging social media users to overdose on the over-the-counter drug in order to hallucinate. Zee Krstic, Good Housekeeping, 9 Sep. 2020 See More
Aaron Fagan, Harper’s Magazine , 7 Dec. 2021 The social media platform has influenced stunts involving face wax challenges (yes), eating corn on the cob, to a spinning power drill (yes) and taking enough Benadryl to hallucinate (yes). oregonlive, 24 Aug. 2021 In a spoof of the vampire hysteria that swept over Europe in the eighteenth and early nineteenth centuries, Palma’s characters hallucinate bloodsuckers running amok in the Italian countryside. Alex Ross, The New Yorker, 9 Aug. 2021 Maki continues to hallucinate and babble about his favorite football players, or a scene from a Batman movie, said Reed, his father. Anchorage Daily News, 20 May 2021 But the Benadryl challenge, which emerged in 2020, encouraged people to take an excessive amount of the medication in an attempt to hallucinate. Alia E. Dastagir, USA TODAY, 27 Apr. 2021 Drugs like 'shrooms don’t just make people hallucinate. Sarah Scoles, Popular Science, 9 Nov. 2020 People who hallucinate are said to see _____ elephants; 21. Richard Lederer, San Diego Union-Tribune, 3 Oct. 2020 The Benadryl Challenge is allegedly making the rounds on TikTok, encouraging social media users to overdose on the over-the-counter drug in order to hallucinate. Zee Krstic, Good Housekeeping, 9 Sep. 2020 See More Word History
Etymology
Latin hallucinatus, past participle of hallucinari, allucinari to prate, dream, modification of Greek alyein to be distressed, to wander
First Known Use
circa 1834, in the meaning defined at transitive sense 1
Medical Definition
hallucinate
verb
hal·lu·ci·nate hə-ˈlüs-ᵊn-ˌāt
hallucinated; hallucinating
transitive verb
1
: to affect with visions or imaginary perceptions
the patient is not hallucinated
2
: to perceive or experience as a hallucination
may hallucinate monsters or attackers M. J. Horowitz
M. J. Horowitzintransitive verb
: to have hallucinations
hallucinations
noun
1
as in visions
a conception or image created by the imagination and having no objective reality were the voices real, or merely a hallucination? Synonyms & Similar Words
Relevance
- visions
- illusions
- fantasies
- dreams
- daydreams
- delusions
- nightmares
- phantasms
- unrealities
- figments
- ideas
- chimeras
- mirages
- phantasies
- conceits
- pipe dreams
- fancies
- fantasms
- fictions
- nonentities
- castles in the air
- visualizations
- concoctions
- castles in Spain
- fabrications
- utopias
- fables
- ignes fatui
- inventions
- brainchildren
- will-o'-the-wisps
- daymares
- cloud-cuckoo-lands
- cloudlands
- Shangri-las
Antonyms & Near Antonyms
- realities
- facts
- actualities
2
as in delusions
a false idea or belief the common hallucination that gluttony during the holiday season doesn't have consequences Synonyms & Similar Words
- delusions
- illusions
- myths
- errors
- superstitions
- misunderstandings
- misconceptions
- falsehoods
- fallacies
- misbeliefs
- untruths
- falsities
- distortions
- tales
- fictions
- pretenses
- old wives' tales
- lies
- misinterpretations
- misperceptions
- factoids
- inaccuracies
- stories
- misjudgments
- misrepresentations
- misinformation
- misstatements
- misapprehensions
- sophistries
- fibs
- sophisms
- miscomprehensions
- pretences
- misreports
- misknowledges
- half-truths
Antonyms & Near Antonyms
- truths
- verities
- aeroelasticity
- aeroembolism
- aeroembolisms
- aeroengine
- aeroengines
- aerofilter
- aerofoil
- aerofoils
- aerogel
- aerogels
- aerogenerator
- aerogeneratores
- aerogenerators
- aerogeography
- aerogeologist
- aerogeology
- aerogram
- aerogramme
- aerogrammes
- aerograms
- aerograph
- aerographer
- aerographer's mate
- aerographers
- aerographic