noun

cuckoo

cuckoo, crazy person

We heard a cuckoo in the woods.

We heard a cuckoo in the woods.

He's a bit of a cuckoo.

He's a bit of a cuckoo.

((noun)) a type of bird. We heard a cuckoo in the woods.

((noun)) (informal) a foolish or crazy person. He's a bit of a cuckoo.

Synonyms: (bird) nightingale, swallow; (person, informal) eccentric, nut, loon

Onomatopoeic, from the bird's two-note call, which sounds like 'coo-coo'.

Picture a 'cuckoo clock'. The bird pops out and makes its sound, which can also connect to the idea of being a bit crazy or 'cuckoo'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.