Plain, bare (9)
I believe the answer is:
unadorned
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">plain</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(associated in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">bare</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for unadorned that I've seen before include "Without embellishment" , "Plain, undecorated" , "Simple and plain as around den" , "Not decorated, plain and simple" .)