Unrepeated event (3-3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unrepeated event</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for one-off that I've seen before include "Unique person or occurrence" , "Made or done as a single thing, not repeated" , "Item made once only" , "Not repeated or reproduced, a single thing" , "Done a single time" .)
(Other definitions for oneoff that I've seen before include "Single" , "not repeated" , "Unique" .)