expression, i-adjective
indescribable; beyond words
Used when something is so extreme or profound that it cannot be adequately expressed in words. Often modifies nouns like 気持ち, 美しさ, or 悲しみ.
See also: 言いようがない
その景色は言いようのない美しさだった。
The scenery was of an indescribable beauty.
彼女の言葉に言いようのない悲しみを感じ
I felt an indescribable sadness at her words.
言いようがない means 'there is no way to describe it' (focus on impossibility), while 言いようのない is an adjective meaning 'indescribable' (focus on the quality itself).
Phrase consisting of 言いよう (way of saying) + の (possessive) + ない (not exist). Literally 'there is no way of saying', used as an adjective meaning 'indescribable'.