Accurate information is critical in decision-making, but sometimes the information available is inaccurate. To convey that the information was contrary to what was expected or true, some antonyms to consider for "was inaccurate" might be reliable, precise, correct, exact, truthful, accurate, or trustworthy. These words emphasize the importance of obtaining trustworthy and precise information. It's essential to verify facts and sources or seek additional information to support decisions, especially if the initial data provided is unreliable. Investing the time to get accurate information can avoid problems, mitigate risks, and help make better decisions.