Tepid (8)
I believe the answer is:
lukewarm
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tepid</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lukewarm that I've seen before include "Rather cool" , "Unenthusiastic" , "Somewhat cooler!" , "Little enthusiasm" , "Not enthusiastic, neither hot nor cold" .)