An oversight is a mistake or error that is made due to neglect or carelessness. Its antonyms include vigilance, attention, and scrutiny, which signify attention to detail and careful observation to prevent mistakes or oversights. Other antonyms for oversight include thoroughness, diligence, and accuracy, which imply careful checking and double-checking to ensure that all aspects of a task or situation have been considered. Other opposites of oversight include caution, prudence, and circumspection, which suggest a deliberate and cautious approach to decision making to avoid errors. Overall, these antonyms for oversight indicate the importance of mindfulness and attentiveness for avoiding mistakes and ensuring successful outcomes.