More faithful (5)
I believe the answer is:
truer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">more faithful</span>' is the definition.<br/ ><span class="explanation-format__explanation">('true' can be similar in meaning to 'faithful')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for truer that I've seen before include "More straight and veracious" , "More exact" , "More accurate" , "More relaible" , "More faithful or straight" .)