1. the utmost extremity; the bitter end
Usage: archaic; formal

Examples

• The knights fought à l’outrance until one could no longer continue.
• He pursued the matter to the outrance, refusing any compromise.
• The debate continued à l’outrance with neither side yielding.
• They were prepared to defend their position to the outrance.
• The duel was fought à l’outrance, meaning to the death or surrender.