pigheaded

Definitions

Stupidly or obstinately stubborn.

Unreasonably inflexible and unwilling to change one's mind.

Examples

His pigheaded refusal to listen to expert advice ultimately led to the project's failure.

Despite the clear evidence presented to him, he remained pigheaded about his original theory.

It is impossible to have a productive debate with someone so pigheaded and unwilling to compromise.

Synonyms

stubborn obstinate headstrong mulish bullheaded obdurate intransigent

Antonyms

flexible compliant amenable yielding pliant tractable cooperative