ad lib
adverb
[ adˈlɪb ]
• without previous preparation.
• "I spoke ad lib"
Similar:
impromptu,
extempore,
without preparation,
without rehearsal,
extemporaneously,
spontaneously,
offhand,
ad libitum,
off the cuff,
off the top of one's head,
on the spur of the moment,
just like that,
at the drop of a hat,
extemporaneous,
extemporary,
improvised,
improvisational,
improvisatory,
improvisatorial,
unprepared,
unarranged,
unplanned,
unrehearsed,
unscripted,
unpremeditated,
spontaneous,
on-the-spot,
off-the-cuff,
spur-of-the-moment,
Opposite:
planned,
• as much and as often as desired.
• "the price includes meals and drinks ad lib"
ad lib
adjective
• spoken or performed without previous preparation.
• "an ad-lib commentary"
• occurring, used, or distributed as often as necessary or desired.
• "the pigs are fed on an ad-lib basis"
ad lib
verb
• speak or perform in public without previously preparing one's words.
• "Charles had to ad-lib because he'd forgotten his script"
Similar:
improvise,
extemporize,
speak impromptu,
make it up as one goes along,
think on one's feet,
take it as it comes,
speak off the cuff,
play it by ear,
busk it,
wing it,
ad lib
noun
• a remark or speech made without previous preparation.
• "he came up with an apt ad lib"
Origin:
early 19th century (as an adverb): abbreviation of ad libitum.