Meaning : Having scruples. Arising from a sense of right and wrong. Principled.
Example :
Less scrupulous producers sent bundles that were deceptive in appearance.
Without scruples or principles.
Unscrupulous politicos who would be happy to sell...their country in order to gain power.Meaning : Characterized by extreme care and great effort.
Example :
Conscientious application to the work at hand.
Painstaking research.
Scrupulous attention to details.
Synonyms : conscientious, painstaking