In Chinese culture, which heavily values social harmony (和谐, héxié) and the concept of “face” (面子, miànzi), being 刻薄 is considered a serious character flaw. Publicly criticizing someone in a harsh manner causes them to lose face, which can damage relationships and social standing. A person who is 刻薄 is seen as having low emotional intelligence (情商, qíngshāng) and a lack of personal cultivation. A useful Western comparison is the difference between being “blunt” and being “caustic.”
While some forms of sarcasm can be playful in Western contexts, 刻薄 is almost always perceived as genuinely malicious and hurtful. It directly undermines the unspoken social contract to protect one another's dignity.
刻薄 is a strong, negative adjective used in various modern contexts.