Generative AI & language models

Hallucination

Definition

An AI response that sounds confident but contains incorrect, misleading, or invented information.

AI Word Bank · Illustrated definition

Visual example

Hallucination: a confidently presented restaurant dish looks convincing but does not match the order.

Wrong dish = hallucination

A kitchen example of hallucination: a polished but incorrect dish.

The kitchen connection

Think of a polished but incorrect dish.

The illustration connects the AI idea to something familiar. Follow the subject, the action, and the result to see how it works.

01 · Who or what
Wrong dish = hallucination
02 · What happens
Looks confident but is mistaken
03 · The result
Gives the guest false information

Why it matters

It reminds users that confident-sounding AI answers still need fact-checking.