Went under (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">went under</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 dove that I've seen before include "Bird in the pigeon family" , "Bird representing peace" , "Pigeon-like bird" , "Symbol of peace" , "Peacemaker" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">went under</span>' is the definition.<br/ ><span class="explanation-format__explanation">('sink' can be a synonym of 'go under')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sank that I've seen before include "Subsided" , "Scuttled" , "Foundered" , "Fell to the bottom" , "(Of ship) went down" .)
(Other definitions for failed that I've seen before include "Was unsuccessful, did not pass exam" , "Didn't succeed" , "Bankrupt" , "Did not succeed, perhaps at exam" , "Didn't make it - not well" .)