Portuguese_3.0 Catalan_3.0 German_3.0 English_3.0 Basque_3.0 French_3.0 Galician_3.0 Spanish_3.0
      unreformable, unregenerate   obstiné, têtu   depravado
      hardheaded, mulish   têtu   testaduro
      flint, flinty, granitic, obdurate, stony   opiniâtre, têtu   empedernido, obstinado, terco
tenaz inflexible, pertinaç, porfidiós, tenaç beharrlich, hartnäckig dogged, dour, persistent, pertinacious, tenacious, unyielding   obstiné, tenace, têtu obcecado, tenaz inflexible, pertinaz, porfiado, tenaz
teimoso obstinat, pertinaç, tossut dickköpfig, stur obstinate, stubborn, unregenerate   têtu obstinado, teimoso cabezota, obstinada, obstinado, pertinaz, reaccionaria, terco, testarudo, tozudo
      refractory, stubborn   têtu   refractario
      cussed, obdurate, obstinate, unrepentant   obstiné, opiniâtre, têtu   obstinado, terco, tozudo