C1 noun /ˈsɪn.ɪˌsɪz.əm/
cynicism
シニシズム
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
彼のシニシズムは、誰かを信頼するのを難しくしていた。