IMPERMISSIBLE

13 letters 21 Scrabble points /ˌɪmpɝˈmɪsɪbl/

Definition of IMPERMISSIBLE

adjective
  1. Not permissible; not to be permitted or allowed

Source: Wiktionary

Word Details

Letters I M P E R M I S S I B L E
Length 13 letters
Scrabble Score 21 points