Not permanent (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not permanent</span>' is the definition.<br/ ><span class="explanation-format__explanation">('temporary' is the opposite to 'permanent')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for temporary that I've seen before include "Short-lived" , "Stopgap" , "Portray me as being for a limited time only" , "Not for long" , "Not permanent or lasting" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not permanent</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 erasable that I've seen before include "Capable of obliteration" , "Able to be rubbed out" , "that can be effaced" , "with potential to be wiped out" , "Like text" .)
(Other definitions for short-term that I've seen before include "For a limited period" , "Concerned only with the immediate future" , "Not concerned with long timescales" , "Temporary" , "Concerned with the near future" .)
(Another definition for adhoc that I've seen is " for this special purpose".)