Learner's definition of DISAPPROVE
to believe that someone or something is bad or wrong
to not approve of someone or something
— often + of
She disapproves of smoking.
Some people may disapprove of the government's actions.
I disapproved of [=I disagreed with] their decision, but I said nothing against it.
to officially refuse to approve or accept (something)
[more disapproving; most disapproving]