loony

noun (a loony, loonies); adjective (loonier, looniest) — informal, often offensive; also Canadian loonie

«loony» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

Everyday

(informal, often rude or offensive) A crazy or very silly person. tree →
(adjective, informal) Crazy or silly. tree →
(Canada, spelt loonie) The one-dollar coin, which has a loon bird on it. tree →

In the lessons

In real speech and comics, "loony" is a teasing word for someone acting crazy. It can be hurtful if used about people with mental illness. In Canadian maths problems, a loonie is one dollar. Phrases: loony idea, loony bin (offensive), loony tunes.

Examples

That's a loony idea: you can't fly with an umbrella! tree →
(rude) Don't be such a loony. tree →
The dog went loony when it saw the cat. tree →
(Canada) I paid three loonies for a hot chocolate. tree →
He drove like a loony down the hill. tree →
Two loonies and a toonie make four dollars. tree →

Note

Informal and can be unkind; avoid it about real people. Spelt "loonie" for the Canadian coin (1 dollar); a "toonie" is 2 dollars. In maths: number of loonies = number of dollars.

On Mova

Trees and pragmatics of «loony» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
«loony» in the school dictionary on Mova free.

This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/loony/