English Meaning & Definitions
An experience of sensing things that sound, look, smell, feel, or taste real to you, but only exist in your mind, typically caused by a mental disorder, neurological condition, or drugs.
- “The patient began experiencing visual hallucinations after taking the new medication.”
- “In severe cases of sleep deprivation, people may suffer from auditory hallucinations.”
In artificial intelligence, a confident response by a language model that does not seem to be justified by its training data or factual reality.
- “The AI chatbot's hallucination led it to invent a completely fictional historical event.”
- “Researchers are working constantly to reduce hallucinations in large language models.”
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “hallucination”.
Derived from the Latin 'hallucinatio' (a wandering of the mind, dreaming), from 'hallucinari' (to wander in mind, talk idly or dream), which ultimately stems from the Greek 'alyein' (to be distraught or distraught with anxiety). The modern scientific and psychological sense developed in the 17th century.
Think of 'hall-lucid-nation': imagining things in the hallway when you are not fully lucid.
Frequently Asked Questions About “hallucination”
1. What is the meaning of “hallucination” in English?
In English, hallucination (noun) is defined as: “An experience of sensing things that sound, look, smell, feel, or taste real to you, but only exist in your mind, typically caused by a mental disorder, neurological condition, or drugs.”.
2. How do you use “hallucination” in a sentence?
“The patient began experiencing visual hallucinations after taking the new medication.”
3. What are English synonyms of “hallucination”?
4. What is the etymology and word origin of “hallucination”?
Derived from the Latin 'hallucinatio' (a wandering of the mind, dreaming), from 'hallucinari' (to wander in mind, talk idly or dream), which ultimately stems from the Greek 'alyein' (to be distraught or distraught with anxiety). The modern scientific and psychological sense developed in the 17th century.
🇬🇧More English Words to English
View all English words →The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.
A specific duration of time equivalent to one hour and forty-six minutes.