adjective
accurate
AK-yer-ut/ˈækjərət/
Correct and free from error.
The accurate balance sits level with equal weights on its pans.

Etymology
Taking care over something first gave accurate the meaning “done with care.” The emphasis then shifted from the care taken to the precision of the result.
In context
with your provider and to confirm what your actual due date is. If a first trimester ultrasound is not available, sometimes we use a second trimester ultrasound, although that's less accurate.
More examples
- Her account of the meeting was remarkably accurate.
- The second estimate proved more accurate than the first.
- We need accurate directions before leaving the highway.
Forms
accurate · more accurate · most accurate