IPA: /ɪnˈɛksɛkt/
KK: /ɪnˈɛksɛkt/
Not accurate or precise; lacking exactness in detail or measurement.
The report contained several inexact figures that misled the readers.
Inexact → It is formed from "in-" (meaning not) and "exact" (from Latin "exactus", meaning precise or accurate). The word "inexact" means not precise or not accurate.
Think of 'not' ('in-') being added to 'precise' ('exact') — that's why inexact means something that is not precise.