stubborn
adjectiveinformal/kɐbɨˈkudu/medium
ca·be·cu·do
Definition
Stubbornly insistent on maintaining one's opinions or decisions; stubborn, obstinate.
He's too stubborn to admit he was wrong.
My grandfather is a stubborn old man who never changes his mind.
Etymology
De 'cabeça' + sufixo aumentativo/pejorativo '-udo'.