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Definitions

hallucinate

[huh-loo-suh-neyt] / həˈlu səˌneɪt /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The compression, however, can cause the model to hallucinate, or make mistakes.

From Barron's • Mar. 26, 2026

AI programmes have vastly simplified tasks in the workplace but generative AI systems are known for their ability to "hallucinate" and assert falsehoods as fact, even sometimes inventing sources for the inaccurate information.

From BBC • Mar. 3, 2026

What we don’t know yet is when they hallucinate, or when they veer from guidelines or recommendations.

From Slate • Jan. 21, 2026

“They hallucinate and have trouble with reasoning,” he said.

From MarketWatch • Nov. 29, 2025

“I didn’t hallucinate all of that? And—and you saw everything, too?”

From "Throne of Glass" by Sarah J. Maas