Seesawed (8)
I believe the answer is:
teetered
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">seesawed</span>' is the definition.<br/ ><span class="explanation-format__explanation">('teeter' can be a synonym of 'seesaw')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for teetered that I've seen before include "wavered" , "Seesawed or vacillated" , "Moved unsteadily" , "Rocked on the edge" , "Tottered, on the brink say" .)