comparative and superlative forms: more accurate; most accurate
1 : free from mistakes or errors • The model is accurate down to the tiniest details. • an accurate account/record/report/description • Her novel is historically accurate. • He needed a more accurate[=precise] term to describe the procedure. • an accurate throw/shot [=a throw/shot that does not miss its target]
2 : able to produce results that are correct : not making mistakes • an accurate reporter • an accurate measuring device • The machines were not yet accurate enough to give useful results.
— accurately adverb • It is very difficult to accurately predict the weather. • The book’s title does not accurately reflect its subject.