[adjective] [not gradable] - happening after something elseThe book discusses his illness and subsequent resignation from the government.There were pictures on the news of the crashed vehicles and subsequent traffic problems.He is starting the first school himself, but subsequent ones will also use his methods.Those explosions must have been subsequent to (= must have happened after) our departure, because we didn't hear anything.
SUBSEQUENT
Meaning of SUBSEQUENT in English
Cambridge English vocab. Кембриджский английский словарь. 2012