sedulously
adverb
UK/ˈsedʒ.ə.ləs.li/
US/ˈsedʒ.ə.ləs.li/
Definitions of sedulously adverb
in a manner that shows great dedication, effort, and perseverance
She studied the topic sedulously.
He sedulously followed all the rules and regulations.
The students prepared sedulously for the upcoming exam.