Ineffaceable (9)
I believe the answer is:
indelible
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ineffaceable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for indelible that I've seen before include "Cannot be removed or erased" , "fixed" , "fast" , "Permanent" , "Of mark or stain, unable to be rubbed out" .)