Definitions from Wiktionary (undescribable)▸ adjective: Alternative form of indescribable [Impossible (or very difficult) to describe.]untranslateable, uncategorisable, untranscendible, uncognisable, unapprehensible, unnamable, incognisable, unsubstantiatable, unconvertable, irrealisable, more...▸ Words similar to undescribable▸ Usage examples for undescribable▸ Idioms related to undescribable▸ Civic discussion about undescribable (New!)▸ Popular nouns described by undescribable▸ Words that often appear near undescribable▸ Rhymes of undescribable▸ Invented words related to undescribable