Imprecise — loose (6)
I believe the answer is:
sloppy
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">imprecise</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">loose</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for sloppy that I've seen before include "Careless and messy" , "Mawkish" , "Careless; watery" , "'Careless, shoddy (6)'" , "maudlin" .)