Meaning of “cynical” - Learner’s Dictionary

cynical

adjective uk us /ˈsɪnɪkəl/

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

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

cynical beliefs

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