impromptu

impromptu
    adv 1: without advance preparation; "he spoke ad lib" [syn: {ad
           lib}, {ad libitum}, {spontaneously}, {impromptu}]
    adj 1: with little or no preparation or forethought; "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" [syn: {ad-lib},
           {extemporaneous}, {extemporary}, {extempore},
           {impromptu}, {offhand}, {offhanded}, {off-the-cuff},
           {unrehearsed}]
    n 1: an extemporaneous speech or remark; "a witty impromptu must
         not sound premeditated"
    2: a short musical passage that seems to have been made
       spontaneously without advance preparation
    

Impromptu \Im*promp"tu\, adv. or a. [F. impromptu, fr. L. in
   promptu in readiness, at hand; in in + promptus visibility,
   readiness, from promptus visible, ready. See {Prompt}.]
   Offhand; without previous study; extemporaneous; extempore;
   as, an impromptu verse.
   [1913 Webster]
    

Impromptu \Im*promp"tu\, n.
   1. Something made or done offhand, at the moment, or without
      previous study; an extemporaneous composition, address, or
      remark.
      [1913 Webster]

   2. (Mus.) A piece composed or played at first thought; a
      composition in the style of an extempore piece.
      [1913 Webster]
    

76 Moby Thesaurus words for "impromptu":
      ad lib, ad libitum, ad-lib, ad-libbing, arrangement,
      at short notice, at sight, by ear, cadenza, caught napping,
      caught off balance, caught short, extemporaneous, extemporaneously,
      extemporaneousness, extemporarily, extemporariness, extemporary,
      extempore, extemporization, extemporized, flourish, haphazard,
      hasty, hot lick, improvisation, improvisatorial, improvise,
      improvised, improvision, improviso, interpolation, jury-rig,
      jury-rigged, lick, makeshift, measure, off the cuff, off the hip,
      off-the-cuff, offhand, on sight, out of hand, playing by ear,
      precipitate, pro tempore, quick, riff, rough-and-ready, snap,
      stopgap, surprised, taken aback, taken by surprise, taken unawares,
      temporary arrangement, temporary measure, tripped up, unarranged,
      unbegun, unconcocted, uncontrived, undeliberated, undevised,
      unhatched, unmade, unmanufactured, unorganized, unplanned,
      unpremeditated, unprepared, unprimed, unready, unrehearsed,
      unstudied, vamp