scrupulous

/ˈskruːpjələs/
adjective
  1. Very careful to do what is right, especially in matters of honesty and morality.
    • The scrupulous lawyer refused to take a case that would require hiding evidence.
    • A scrupulous journalist always checks facts before publishing a story.
    • She was scrupulous about returning every borrowed item exactly on time.
  2. Done with great attention to detail; very thorough and precise.
    • He maintained scrupulous records of every experiment in his lab notebook.
    • The accountant gave the financial records a scrupulous examination.
    • The scrupulous cleaning of the antique vase removed centuries of grime without damage.