UNSAYABLE

Etymology

Adjective

unsayable (comparative more unsayable, superlative most unsayable)

(philosophy) Not capable of being said.

(rare) Not allowed or not fit to be said.

Usage notes

• (rare: not allowed or not fit to be said): The term unsayable is rarely used in everyday speech. The more common equivalent is unspeakable.

Synonyms

• (not capable of being said): inexpressible, unspeakable, unutterable, ineffable; See also indescribable

• (not allowed or not fit to be said): taboo, unspeakable

Source: Wiktionary