fine as frog's hair

A form of fine as frog hair — Extremely fine.

Meanings

adjectivefine as frog's hair (not comparable)
  1. alternativenot comparablesimileAlternative form of fine as frog hair (“very fine; great; splendid”).

Origin

A play on both senses of fine, and the idea that frogs' hairs (since they have none) must be very slender.

Full word history & related roots →
Cite this entry
APA

fine as frog's hair. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/fine%20as%20frog's%20hair

MLA

“fine as frog's hair.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fine%20as%20frog's%20hair. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “fine as frog's hair,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/fine%20as%20frog's%20hair.

Source: fine as frog's hair on Wiktionary, CC BY-SA 4.0.