Fixed, fastened (6)
I believe the answer is:
secure
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">fixed</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">fastened</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for secure that I've seen before include "properly restrained" , "Free from danger or risk" , "Safe and unthreatened" , "land" , "Safe; fixed" .)