7 definitions
AI hallucination (n.) is when an AI system confidently produces false or made-up information, such as invented facts, quotes or sources.
AI hallucination (n.) is the confidence of an expert with the sources of a dream.
AI hallucination (n.) is a lawyer citing a court case that only the chatbot remembers.
AI hallucination (n.) is the same imagination that writes your poem, aimed at your tax question.
AI hallucination (n.) is not lying, technically, because lying requires knowing what's true.
AI hallucination (n.) is a bluffing student who read every textbook and remembered only the vibe.
AI hallucination (n.) is an answer wrong in exactly the shape a right answer would be.