pig-headed
adj →
stur;
that was a pig-headed thing to do →
so was von stur (inf) Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
pig-headed
[pɪgˈhɛdɪd] adj → testardo/a, cocciuto/aCollins Italian Dictionary 1st Edition © HarperCollins Publishers 1995