Fume (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fume</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for seethe that I've seen before include "Bubble gently just below boiling point" , "exhibit anger" , "froth" , "Boil or become very angry" , "become agitated" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fume</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that fume can be written as smoke)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for smoke that I've seen before include "Fumigate; cigarette" , "Carbon vapour" , "Cure (meat) over fire" , "Cigarette or cigar (colloq.)" , "Use cigarettes" .)