scrupulous

adj

1. Exactly and carefully conducted.

   “Come on! You have got to admire their dedication to the rules! These two men are so scrupulous, they would sit at a broken red traffic light for six hours in the middle of the night. “Hey, red is red! We live in a civilized society! Red is red! We stay!””

2. Having scruples or compunctions.
3. Precise; exact or strict.

   “He is scrupulous in his finances.”

   “He is a scrupulous businessman and always acts in the best interest of his company.”

4. Wrongly feeling guilt or anxiety about one’s morality; suffering from scrupulosity.

   “Because I have a scrupulous conscience, I sometimes need to be reminded that not everything I do is sinful.”