English · Idiom Attested

fine as frog hair

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

Also seen as: fine as frog's hair

Both English Tiếng Việt

Meaning · English

Extremely fine.

Nghĩa · Tiếng Việt

Rất mịn

Machine-translated — suggest a fix

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).

Common questions

What does “fine as frog hair” mean?

Extremely fine.

Is “fine as frog hair” formal or informal?

fine as frog hair is generally colloquial.

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