Trinity (6)
I believe the answer is:
triune
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">trinity</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for triune that I've seen before include "how God may be perceived" , "Group of three" , "Run tie with three in one" .)