unsublimable

Example:His unsublimable experience on the mountain was untranslatable to his friends.

Definition:incapable of being put into words or concepts, especially in a way that conveys the full meaning or experience of something in another language or context.

Example:The unsublimable nature of his ambitions made it impossible for him to find satisfaction in conventional achievements.

Definition:incapable of being elevated to an ideal form or standard, often referring to desires or emotions that cannot be transformed into something morally or spiritually noble.