loon

word

Definition

A loon is a large water bird known for its eerie, haunting calls. In informal English, 'loon' can also mean a crazy or foolish person.

Usage & Nuances

As a bird, 'loon' is specific to North America and northern regions. As slang for 'crazy person', it's informal and slightly old-fashioned. Common in phrases like 'he's a real loon.' Not to be confused with 'loonies' (slang for Canadian dollar or crazy people).

Example Sentences

You’re being a total loon—stop jumping on the couch!

natural

The loon lives on the lake.

basic

Did you hear the loon calling last night?

basic

He acts like a loon sometimes.

basic

The haunting call of a loon always reminds me of summer at the cabin.

natural

Only a real loon would try to swim across the lake in April!

natural