Meaning of “cynical” - Learner’s Dictionary

cynical

adjective us uk /ˈsɪnɪkəl/

believing that people are only interested in themselves and are not sincere:

Many people have become cynical about politicians.
cynically adverb
cynicism noun [ U ] us uk /ˈsɪnɪsɪzəm/

cynical beliefs

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