Obdurate

"Obdurate" in German

hart

(Physically hardened, toughened)

hartnäckig

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

stur

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

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