Je was op zoek naar: indescribable (Engels - Japans)

the feeling was indescribable.
言葉で表せないほどの気持ちだった

almost indescribable, isn't it?
お願いだ・・

that filled me with... indescribable joy.
言いようの無い 喜びだった

even though you do not see him now, you rejoice with an indescribable and glorious joy... as you attain the goal of your faith... the salvation of your soul.
今は姿が見えずとも... あなたの喜びによって... 信仰は達せられ...