# impenetrable

> English word · Adjective · IPA /ɪmˈpɛnətɹəbəl/ · frequency rank #26,468

## Definitions
1. Not penetrable.
2. Opaque; obscure; not translucent or transparent.
3. Incomprehensible; fathomless; inscrutable.

## Etymology
From Middle English inpenetrabel, inpenetrabyle, from Middle French impenetrable or directly from its etymon, Latin impenetrābilis. By surface analysis, im- + penetrable.

## Common misspellings (19)
`imepnetrable`, `immpenetrable`, `impeentrable`, `impenertable`, `impenetarble`, `impenetrabble`, `impenetrabel`, `impenetrablle`, `impenetralbe`, `impenetrbale`, `impenetrible`, `impenetrrable`, `impenettrable`, `impennetrable`, `impenterable`, `impneetrable`, `imppenetrable`, `ipmenetrable`, `mipenetrable`

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