Off-the-cuff (9)
'off-the-cuff' is the definition.
(I know that off-the-cuff can be written as ad-lib)
This is the entire clue.
(Other definitions for ad-lib that I've seen before include "Spontaneously" , "without restraint" , "Speak impromptu" , "Unscripted impromptu remark" , "Extemporise" .)
(Other definitions for impromptu that I've seen before include "piece by Chopin, perhaps" , "Without pre-planning" , "Unplanned; instrumental piece" , "Unprepared" , "Unplanned; composition" .)
'off-the-cuff' is the definition.
(synonyms)
This is all the clue.
(Other definitions for extempore that I've seen before include "Spoken or done without preparation, impromptu" , "on spur of the moment" , "offhand" , "suddenly" , "Spoken off the cuff" .)
'off-the-cuff' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for casual that I've seen before include "Informal or not showing commitment" , "Informal or nonchalant" , "Not concerned" , "Informal or cursory" , "Informal, not methodical" .)