ultracrepidarian: A person who opines confidently beyond their knowledge.

ultracrepidarian

uhl-truh-krep-ih-DAIR-ee-uhn, noun

A person who opines confidently beyond their knowledge.

“Every comment section has its resident ultracrepidarian.”

Difficulty: expert. One of 440 entries written and checked by hand.

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Nearby: ubiquitous unctuous All 440 words