The word 丑恶 (chǒu'è), meaning "ugly and evil" or "repulsive," is a compound formed through the combination of two synonymous characters that reinforce a shared semantic theme of moral and aesthetic revulsion. The first character, 丑 (chǒu), primarily conveys "ugliness" or "disgracefulness," often in a physical or behavioral sense. The second character, 恶 (è), carries the meaning of "evil," "wicked," or "vicious," focusing on malicious nature or immoral character. When paired, they create a single, potent disyllabic word that intensifies the concept, describing something that is both outwardly hideous and inwardly morally corrupt, a formation typical in Mandarin where two characters with related meanings combine to express a more nuanced or emphatic idea.