overhasty
/ˌoʊvərˈhæsti/Definitions
1. adjective
done or decided too quickly; lacking consideration or thoughtfulness
“The company’s decision to close the factory was seen as overhasty, and it ended up being a costly mistake.”
2. noun
an action or decision that was done too quickly; a hasty action
“The company’s overhasty decision to expand into new markets ended up being a disaster.”