Unescorted (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unescorted</span>' is the definition.<br/ ><span class="explanation-format__explanation">(not escorted by other people)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for alone that I've seen before include "Exclusively; solitary" , "Note of charges" , "Lacking company, solitary" , "Without others being involved" , "Without anybody or anything else" .)