English · Phrasal verb Attested

knuckle to

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

Sense 1

Meaning · English

Synonym of knuckle under.

Where it’s used: Used American English

Sources & notes

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

Sense 2

Meaning · English

or KNUCKLE UNDER, to yield or submit.

Era: ca. 1874 (Victorian)

Where it’s used: Origin British & Irish English

Sources & notes

Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.

Topics: Historical slang (1800s)

Common questions

What does “knuckle to” mean?

Synonym of knuckle under.

Is “knuckle to” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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