Buddhist term meaning 'for all future time', 'to the end of time'. Used in religious or philosophical contexts, often in set phrases like 尽未来際 (じんみらいさい). Not used in everyday conversation.
The term 尽未来際 expresses the eternal future in Buddhism.
for eternity; forever and ever; to the end of time
From Buddhist terminology, combining 尽 (exhaust, end) and 未来 (future), literally 'the end of the future', i.e., for all time to come.