All do-or-die synonyms

adj do-or-die

• last-minute — the time just preceding a deadline or when some decisive action must be taken.
• frantic — desperate or wild with excitement, passion, fear, pain, etc.; frenzied.
• last-gasp — a sudden, short intake of breath, as in shock or surprise.
• desperate — If you are desperate, you are in such a bad situation that you are willing to try anything to change it.
• final — pertaining to or coming at the end; last in place, order, or time: the final meeting of the year.