Around-the-clock (7)
I believe the answer is:
nonstop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">around-the-clock</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nonstop that I've seen before include "Continuous, without pause" , "Around the clock, continuous" , "Ceaselessly" , "Never-ending" , "Done without pause" .)