inexact

/ˌɪnɪɡˈzækt/
adjective
  1. Not completely accurate or precise; approximate.
    • His description of the event was inexact, but close enough to the truth.
    • The measurements were inexact, so we had to redo them.
    • History is often an inexact science because records can be incomplete.
What does "inexact" mean? | whatsthatwordmean | whatsthatwordmean