refractarius
From LSJ
Dante Alighieri, Paradiso, XXXIII, v. 145
Latin > English (Lewis & Short)
rē̆fractārĭus: a, um, adj. refringo,
I stubborn, obstinate, refractory: contumaces ac refractarios, Sen. Ep. 73, 1.
Latin > French (Gaffiot 2016)
rĕfrāctārĭus,¹⁶ a, um (refringo), casseur d’assiettes, querelleur : Sen. Ep. 73, 1.