What does the word hallucination mean?

Usage examples for hallucination

  1. In this hallucination he deceived himself even as Oliver Cromwell did later and equally for his own ends. – England of My Heart--Spring by Edward Hutton
  2. I had a kind of fit this morning, he explained, the result of an hallucination which seized me when my light went out in that cave. – Benita, An African Romance by H. Rider Haggard
  3. I have noticed this absurd hallucination in others, and been conscious of it in myself. – Journal of an African Cruiser by Horatio Bridge