English · Idiom Attested

smooth as butter

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

Meaning · English

Extremely smooth.

Where it’s used: Used American English

"His talk is smooth as butter [...]

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

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

Topics: Food

Common questions

What does “smooth as butter” mean?

Extremely smooth.

Is “smooth as butter” formal or informal?

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

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