Jab, nudge (4)
I believe the answer is:
prod
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">jab</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">nudge</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for prod that I've seen before include "Poke with a stick" , "Incite to action (with a stick?)" , "Poke; reminder" , "Poke, jab, nudge" , "Stimulus" .)