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There are 2 twelve-letter words containing B, I, L, M, N, P, R and T

IMPENETRABLEimpenetrable adj. Not penetrable.
impenetrable adj. (Figuratively) Incomprehensible; fathomless; inscrutable.
impenetrable adj. Opaque; obscure; not translucent or transparent.
IMPENETRABLYimpenetrably adv. In an impenetrable manner or state; imperviously.
IMPENETRABLE adv. incapable of being penetrated or pierced.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 10 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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