Punctilious (adjective)

Very careful and precise in one's actions and habits; meticulous, diligent.

Origin:

From latin punctilious, from punctum "point, detail".

Examples:

1. The punctilious lawyer made sure every detail of the contract was correct.
2. She was known for her punctilious attention to detail in her work.
3. The punctilious accountant wouldn't sign off on the report until every number was correct.
4. He was punctilious in his personal grooming, always making sure his hair and clothes were perfect.
5. The punctilious chef followed the recipe exactly, not allowing for any deviations.