This is the 139th most frequent Korean word.
역대
"역대" means "of all time" or "historical (past) generations."
역대 is used to refer to all the past holders of a title or position.
역대 대통령들의 연설문을 연구하고 있습니다.
I am researching the speeches of presidents throughout history.
역대 is used to mean 'of all time,' referring to the entirety of past times.
역대 최고의 작품으로 평가받는 소설입니다.
This novel is considered the best work of all time.
역대 is used to indicate the scope of comparison, signifying the current achievement is the best among all past occurrences.