extemporized

extemporize impromptu improvise improvised

according to pleasure ad libitum as one thinks best as one wishes at will extemporaneous extempore made-up off-the-cuff spontaneous unprepared unrehearsed without restraint

deliberate planned prepared rehearsed written

offhand spontaneous unscripted

ad-lib fake

dashed off extemporaneous extempore faked improv improviso off the cuff played by ear shot from the hip spur-of-the-moment thrown off tossed off unpremeditated unprepared unstudied vamped whipped up winged

deliberate planned

impromptu makeshift spontaneous

ad-lib

Band-Aid autoschediastic extemporaneous extempore fly-by-night hit-or-miss improviso offhand spur-of-the-moment unprepared unrehearsed unstudied

designed planned premediated rehearsed