wrongheaded
adjectiveUK /ˌrɒŋˈhedɪd/
US /ˌrɔːŋˈhedɪd/
Having ideas that are not sensible or correct.
The wrongheaded plan to build a school on a swamp was quickly rejected.
RELATED WORDS
OTHER MEANINGS
2. Stubbornly holding to an opinion even when it is clearly wrong.
His wrongheaded refusal to ask for help made the problem worse.
3. Based on faulty reasoning or bad judgment.
The committee's wrongheaded decision ignored all the expert advice.
4. Marked by a perverse or contrary attitude.
She took a wrongheaded pride in doing everything the hard way.