Spook (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spook</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ghost that I've seen before include "suggestion" , "author for someone" , "Lay down life for another in this" , "Hamlet's spectral father" , "give it up" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spook</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for unsettle that I've seen before include "Fluster" , "'Disturb, make uneasy (8)'" , "Discompose" , "Throw" , "Upset" .)