Obdurate

"Obdurate" in Russian

закалённый

zakaljónnyj

(Physically hardened, toughened)

закосне́лый

zakosnélyj

(Stubbornly persistent, generally in wrongdoing; refusing to reform or repent)

упря́мый

uprjámyj

(Stubbornly persistent, generally in wrongdoing; refusing to reform or repent)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.