Un-scrupulousnesses is a word that refers to the lack of ethical or moral principles. It can be challenging to find antonyms for this word, as it is somewhat abstract in nature. However, some words that may be considered antonyms to un-scrupulousnesses include honesty, integrity, righteousness, and morality. These words represent the polar opposite of un-scrupulousnesses, indicating a strong sense of ethical and moral behavior. Additionally, words like conscientiousness, scrupulousness, and probity may also be used as antonyms to un-scrupulousnesses, as they imply a sense of duty, integrity, and honesty in one's actions and behavior.