wrongheaded
/ˌrɔŋˈhɛdɪd/
adjective
- Stubbornly holding onto a mistaken belief or course of action, despite evidence or reason.
- His wrongheaded refusal to listen to advice cost the company a lot of money.
- She was so wrongheaded about the project that she ignored all the warnings.
- The general's wrongheaded strategy led to a disastrous defeat.
Antonyms