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Definitions

cuckoo

[koo-koo, kook-oo] / ˈku ku, ˈkʊk u /


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.

"Switzerland has nurtured many unexpected good things -- Albert Einstein's physics, the world economy, and the cuckoo clock leap to mind -- and is again helping the world appreciate improbable people and ideas."

From Barron's • Mar. 10, 2026

The cuckoo is a parasitic bird that deposits its eggs in the nests of other birds, who then raise its hatchlings with their own.

From The Wall Street Journal • Dec. 4, 2025

Like everyone in the movie, he sounds confident and totally cuckoo.

From Los Angeles Times • Oct. 23, 2025

Nothing about “Another Simple Favor” or its equally cuckoo bananas predecessor, “A Simple Favor,” is subtle.

From Salon • May 3, 2025

When my friends come over to play, they all like our cuckoo clock.

From "First They Killed My Father: A Daughter of Cambodia Remembers" by Loung Ung