concerned with doing something conscientious conscientious conscientious conscientious Definition of conscientious conscientious conscientious Merriam-Webster conscientious conscientious conscientious Definition of conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious conscientious define conscientious conscientious