No.
Diligent means careful, perseverent, showing attention to detail.
Laborious means hard work, usually as part of a long, slow process of work. It can be used to mean industrious, in the sense of being a good worker, but this is no longer common usage.
Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom., To search or examine with continued care; to seek diligently.
Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom., To search or examine with continued care; to seek diligently.
The climb to the top was long and laborious. The sorting of the buttons was laborious and took many hours.
diligent at
Computer is called a diligent machine because it can perform the data processing always at the same ration........
Foundry work can be very laborious.
The word 'diligent' is not a noun; diligent is an adjective, a word to describe a noun: a diligent student, a diligent effort.The noun form for the adjective diligent is diligence, an abstract noun.
I find that looking for answers to questions on this site can be laborious.
The process of organizing all the files was laborious and time-consuming.
more diligent
Diligent is an adjective.
The prefix of diligent is "di-."