Volatile (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">volatile</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mercurial that I've seen before include "Changeable in mood" , "Changing unpredictably" , "Temperamental" , "Erratic" , "Prone to sudden mood swings" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">volatile</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that volatile can be written as explosive)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for explosive that I've seen before include "Fiery" , "Touchy" , "Eg, gelignite" , "Likely to cause anger or controversy" , "TNT, for example" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">volatile</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for flighty that I've seen before include "Capricious" , "Mentally giddy, in an aerial way perhaps" , "Frivolous - irresponsible" , "Fickle; erratic" , "Giddy-minded" .)