Parted from (6)
I believe the answer is:
bereft
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">parted from</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bereft that I've seen before include "Deprived of something precious" , "Deprived, perhaps of reason (6)" , "Sad through loss or deprivation" , "Pained by the loss of someone" , "Deprived, say of reason" .)