The final date or time by which documents, assignments, or applications must be submitted; submission deadline.
レポートの提出期限は金曜日の午後五時です。
The deadline for submitting the report is Friday at 5 p.m.
提出期限を過ぎると減点される場合があるので注意してください。
Be careful because you may lose points if you miss the submission deadline.
ビザの提出期限に間に合うように書類を揃えた。
I prepared the documents so they would meet the visa submission deadline.