Unintentional (10)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unintentional</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for accidental that I've seen before include "Sign raising or lowering a musical note" , "Possible sharp" , "Subsidiary" , "indication to modify tone slightly" , "without planning" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unintentional</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for inadvertent that I've seen before include "without meaning" , "Careless" , "Unintentional" , "unguarded" , "Unthinking" .)