Meaning of “disapprove” - Learner’s Dictionary

disapprove

verb [ I ] uk us /ˌdɪsəˈpruːv/

B2 to think that someone or something is bad or wrong:

Her family disapproved of the marriage.
disapproving adjective

showing that you think someone or something is bad or wrong:

a disapproving look

(Definition of “disapprove” from the Cambridge Learner’s Dictionary © Cambridge University Press)