I. ə̇mˈpräm(p)(ˌ)t(y)ü, -(ˌ)chü adverb
Etymology: French, from Latin in promptu in readiness, at hand
: without previous study, preparation, or consideration : on the spur of the moment : extemporaneously
being able to speak impromptu and at length on any given subject — Bryan MacMahon
any cry of contribution that ever came impromptu from a human being — C.E.Montague
II. noun
( -s )
Etymology: French, from impromptu, adverb
1. : something made or done impromptu : an extemporaneous composition, address, or remark
the witty impromptu must not smack of the midnight oil — Cecil Lavery
2.
a. : a piece of music composed or played impromptu
b. : a musical composition suggesting improvisation
III. adjective
Etymology: French, from impromptu, adverb
1. : made, done, or formed on or as if on the spur of the moment : improvised, makeshift
postponements or changes of plan were always impromptu — Marcia Davenport
delegates … formed for an impromptu parade through the aisle — C.E.Egan
an impromptu bench was made of a long board placed on two chairs and covered with quilts — B.A.Botkin
2. : composed or uttered without previous study, preparation, or consideration : extemporaneous , unrehearsed
an impromptu addition to his prepared text — Foster Hailey
a short impromptu speech
IV. verb
( -ed/-ing/-s )
Etymology: impromptu (I)
: extemporize , improvise