English · Slang Attested

nonce

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

A police informer, one who betrays a criminal enterprise

⚠ Register: derogatory, slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Meaning · English

A stupid or worthless person.

⚠ Register: derogatory, slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

What does “nonce” mean?

A police informer, one who betrays a criminal enterprise

Is “nonce” formal or informal?

nonce is generally derogatory, slang.

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