ignorant, uninformed
Son demasiado ignorantes.
They are too ignorant.
— El cartero (y Pablo Neruda) (1994)
Maldita sea, policías ignorantes.
Damn it, ignorant police officers.
— The Chaser (2008)
Algunas personas no llevan mascarilla porque son estúpidas e ignorantes.
Some people don't wear masks because they're stupid and ignorant.