pigheaded
/ˈpɪɡˌhɛdɪd/
adjective
- Stubbornly unwilling to change one's opinion or course of action, even when it is unreasonable or wrong.
- My pigheaded uncle refuses to use a smartphone, even though his old flip phone barely works.
- Being pigheaded might feel strong, but it often leads to unnecessary arguments.
- The manager was so pigheaded about his plan that he ignored all the team's warnings.
Antonyms