accuracy
noun
ADJ. absolute, complete, deadly, perfect, pinpoint, total, unerring The needle has to be positioned with pinpoint accuracy.| amazing, considerable, great, high (technical), remarkable, uncanny | reasonable, sufficient | factual, historical, technical
QUANT. degree, level The missiles are capable of a very high degree of accuracy.
VERB + ACCURACY improve, increase We are hoping to improve the accuracy of our forecasts.| check, confirm, test | ensure Great care is taken to ensure the accuracy of research data.| doubt, question Many people began to question the accuracy of his statement.
PREP. with ~ It is possible to predict the outcome with reasonable accuracy.