
Xem thêm: improvise, improvize, extemporize, extemporise, spontaneous, unwritten, extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff, unrehearsed
n.
his ad-libs got him in trouble with the politicians
v.
he extemporized a speech at the wedding
adj.
he made a few ad-lib remarks
his ad-lib comments showed poor judgment
an extemporaneous piano recital
an extemporary lecture
an extempore skit
an impromptu speech
offhand excuses
trying to sound offhanded and reassuring
an off-the-cuff toast
a few unrehearsed comments