maladverb
Mal means badly in English. It is an adverb.
- badly
Deletrearon mal su nombre.
They misspelled their name.
No dormí bien y estoy mal.
I did not sleep well and I feel bad.
Todo salió mal desde el principio.
Everything went badly from the start.
Hoy me siento mal después de comer tanto.
Today I feel bad after eating so much.