That's the spirit! (5)
(Other definitions for genie that I've seen before include "Goblin as found in Aladdin's lamp" , "Spirit with the power to grant wishes" , "Arabian goblin with strange powers" , "Magic spirit" , "Spirit in a bottle" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">that's the spirit</span>' is the definition.<br/ ><span class="explanation-format__explanation">(spirit can mean a ghost)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ghost that I've seen before include "author for someone" , "someone without much presence" , "Spectre, wraith" , "Apparition; faint trace" , "Spirit of the dead" .)