# unfathomable

> English word · Adjective · IPA /(ˌ)ʌnˈfæðəməbl̩/ · frequency rank #32,637

## Definitions
1. Impossible to fathom.
2. Impossible to fathom.

## Etymology
From un- (prefix meaning ‘not’) + fathom (“to measure the depth of (water); (figurative) to deeply understand (someone or something)”) + -able (suffix forming adjectives denoting things not able or fit to be done).

## Common misspellings (19)
`nufathomable`, `ufnathomable`, `unafthomable`, `unfahtomable`, `unfathhomable`, `unfathmoable`, `unfathoamble`, `unfathomabble`, `unfathomabel`, `unfathomablle`, `unfathomalbe`, `unfathombale`, `unfathomible`, `unfathommable`, `unfatohmable`, `unfatthomable`, `unffathomable`, `unftahomable`, `unnfathomable`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/unfathomable