One ideally suited to another (4,4)
(Another definition for soulmate that I've seen is " Person ideally suited to another".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">one ideally suited to another</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for soul mate that I've seen before include "Person ideally suited to another" , "Person sharing deep affinity" , "Friend with a deeply personal relationship, like spiritual spouse" , "One's ideal partner" , "One ideally suited to another" .)