Ill-considered (5)
I believe the answer is:
hasty
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ill-considered</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hasty that I've seen before include "Rashly quick" , "Quick - reckless" , "Precipitate" , "Rushed; rash" , "Rash; hurried" .)