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Definitions

encyclopedia

[en-sahy-kluh-pee-dee-uh] / ɛnˌsaɪ kləˈpi di ə /


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.

As a child, he came across a page in an encyclopedia featuring Neil Armstrong and the picture of an astronaut on the Moon from the 1969 Apollo mission.

From BBC • Apr. 2, 2026

He’s like an encyclopedia when it comes to fashion.

From Los Angeles Times • Feb. 14, 2026

A hallucinating encyclopedia may not be exactly what you’re looking for when you’re doing research, but that’s what writer Stephen Harrison found when he dug into Elon Musk’s new A.I.-powered Grokipedia.

From Slate • Nov. 17, 2025

Elon Musk's Grokipedia carries thousands of citations to "questionable" and "problematic" sources, US researchers said Friday, raising doubts about the reliability of the AI-powered encyclopedia as an information tool.

From Barron's • Nov. 14, 2025

Every night after my mother washed Lynn down, the whole family sat in our bedroom while I read to Lynn from the encyclopedia set my father had bought her for her birthday in September.

From "Kira-Kira" by Cynthia Kadohata