adventitious
🇺🇸
/ˌædvenˈtɪʃəs/
🇬🇧
/ˌædvenˈtɪʃəs/
occurring unexpectedly or as if by chance
The adventitious meeting of the two old friends at the coffee shop was a delightful surprise.
兩位老朋友在咖啡館偶然相遇,真是一個愉快的驚喜。