Straying (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">straying</span>' is the definition.<br/ ><span class="explanation-format__explanation">('err' can be a synonym of 'stray')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for erring that I've seen before include "Being incorrect" , "Going wrong" , "Making 7 down" , "taking wrong direction" , "Sinful" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">straying</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 errant that I've seen before include "Travelling in search of adventure like knight of old" , "Like many a knight" , "Misbehaving" , "Quixotic" , "Straying from the right course" .)