‖ à l'outrance
see outrance.
| 1837 J. F. Cooper Recoll. Europe I. ix. 310 There was a famous quarrel, à l'outrance, about it. 1860 Once a Week 20 Oct. 476/2 Francis II. will be called upon to make his choice between casting in his lot with the defenders à l'outrance of Gaeta, or making his escape by sea. |