hallucination
🇺🇸
/həˌluːsɪˈneɪʃn/
🇬🇧
/həˌluːsɪˈneɪʃn/
Experiencing something that isn't really there, like seeing or hearing things when they don't exist, often due to a health condition or substance use.
Due to extreme sleep deprivation, the student started having hallucinations during the exam.
A false perception or experience that seems real, but isn't, like seeing or hearing things that aren't actually there.
The patient reported vivid hallucinations after taking the medication.