Not prepared (7)
I believe the answer is:
unready
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not prepared</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for unready that I've seen before include "Like one English king" , "Ill prepared" , "Disobedient in a scout" , "Ethelred, the ..., old English king" , "Not prepared (like Ethelred?)" .)