Adjective
Not exact; not precisely correct or true; inaccurate.
Source: Webster's dictionaryAlthough this may seem a paradox, all exact science is dominated by the idea of approximation. When a man tells you that he knows the exact truth about anything, you are safe in inferring that he is an inexact man. Bertrand Russell
Common-sense knowledge is prompt, categorical, and inexact. Susanne Langer
All this takes many clumsy and inexact word-descriptions to describe, but if we read paintings like we read books, it would not be such a hidden language for painting can effortlessly produce such elegant solutions. Peter Greenaway
The true line is not between "hard” natural science and "soft” social sciences, but between precise science limited to highly abstract and simple phenomena in the laboratory and inexact science and technology dealing with complex problems in the real world. Herbert Simon
We tend to be incredibly distrustful of our own perceptions once they have passed and find no outside confirmation or ratification, we sometimes renounce our memory and end up telling ourselves inexact versions of what we witnessed, we do not trust ourselves as witnesses. Javier Marías
Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases, your heart and gut are still your best guide. Naveen Jain