inexact
Definitions
Not strictly accurate or precise.
Lacking exactness or detail; approximate.
Examples
The witness provided an inexact description of the suspect, making it difficult for the police to identify him.
Because the original measurements were inexact, the entire construction project had to be delayed for recalculations.
It is impossible to give an exact arrival time, so please accept this inexact estimate of thirty minutes.
Synonyms
imprecise inaccurate vague loose approximate erroneous faulty