Fallible (5)
I believe the answer is:
human
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fallible</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for human that I've seen before include "Not divine, animal or mechanical" , "Relating to mankind" , "Like a real person" , "Of the species of homo sapiens" , "Relating to people" .)