undiscussable

Meanings

1. 1
   adj

   unable or considered unsuitable to be discussed, mentioned, or debated

   In that household, the cause of the quarrel remained undiscussable.

Formed from un- + discussable. The alternative undiscussible follows the parallel adjective discussible; both forms mean that a subject cannot or should not be discussed.

Topics

External links

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• Cambridge Dictionary
• Wiktionary