Words similar to diligent

Example sentences for: diligent

How can you use “diligent” in a sentence? Here are some example sentences to help you improve your vocabulary:

Observers said the Y2K bug's threat 1) was averted thanks to diligent preparation; 2) had been exaggerated by greedy programmers so that customers would commission expensive repairs; and 3) won't pass until companies and governments have used their "backroom systems," which were not repaired as thoroughly as critical programs.
After a diligent search, I could find no earlier mention.
This may be part of his problem -- the country seems to respond better to risk-taking entrepreneurs than diligent, calculating types like Lamar.
Such contributions can even be made by the diligent newcomer to the field; it is not always necessary to serve a long apprenticeship mastering past results.