Seasickness (3,2,3)
I believe the answer is:
mal de mer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">seasickness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mal de mer that I've seen before include "type of sickness" , "Seasickness (French)" , "problem on board" .)