antediluvian
🇺🇸
/ˌæntidɪˈluːviən/
🇬🇧
/ˌæntidɪˈluːviən/
adjective
R
extremely old-fashioned or outdated
The professor's antediluvian teaching methods were outdated and ineffective.
这位教授的陈旧教学方法已经过时且效果不佳。
translation
过时