1. a person who experiences hallucinations
Usage: medical or psychological context
2. a thing or device that produces or causes hallucinations
Usage: technical or scientific context

Examples

• The patient was identified as a hallucinator after reporting vivid visual experiences.
• In the study, researchers distinguished between hallucinators and those with other perceptual disorders.
• The drug was known to turn users into hallucinators within minutes of ingestion.
• Hallucinators in the trial reported seeing patterns and colors that were not present.
• The neurologist examined the hallucinator to determine the underlying cause of the symptoms.