Extemporise (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extemporise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ad-lib that I've seen before include "Improvise" , "Off-the-cuff remark" , "Speak without preparation" , "without restraint" , "Unprepared remark" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extemporise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for improvise that I've seen before include "Act without previous planning" , "Create without preparation" , "wing it" , "Ad-lib" , "ad lib" .)