flippancy
🇺🇸
/ˈflɪpənsi/
🇬🇧
/ˈflɪpənsi/
A lack of seriousness or respect, often shown by joking or being too casual.
Despite the serious situation, his flippancy was evident as he made light of the issue.
儘管情況嚴重,他的輕率態度依然明顯,因為他對問題輕描淡寫。