Synonym: ad lib, ad libitum, ad-lib, extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, spontaneously, unrehearsed. Similar words: prompt, compromise, uncompromising, improper, improved, improvise, improvised, improbable. Meaning: [ɪm'prɑmptuː /-'prɒmptjuː] 
n. 1. an extemporaneous speech or remark 2. a short musical passage that seems to have been made spontaneously without advance preparation. adj. with little or no preparation or forethought. adv. without advance preparation.
n. 1. an extemporaneous speech or remark 2. a short musical passage that seems to have been made spontaneously without advance preparation. adj. with little or no preparation or forethought. adv. without advance preparation. 
Random good picture Not show
61. The above verb phrase , responded impromptu and without deliberation, depicts people a short - term and temporary state.
62. Not sure how useful that is but at least you'll be ready for an impromptu street corner game of dominos.
63. In between appearances on TV and radio broadcasts, Mr. Fletcher holds an impromptu news conference.
64. His call for a book of the trains had been a sheer piece of impromptu.
64. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.
65. Often, the input of the signature is superficial or impromptu with little understanding of the basis for the particular solution.
66. Some dance movements were composed impromptu , which were simple and standard.
67. Vanessa Hudgens wowed in a flowing white dress at the premiere of their new film last night but failed to join in the fun when her Sucker Punch co-stars broke out into a little impromptu dance.
68. The children put on an impromptu concert for the visitors.
69. Some see his impromptu diplomacy, during a fact-finding trip, as evidence that Mr Karzai can still be managed with "tough love" from America.
70. Debutantes break into an impromptu kick-line dance during the reception line ceremony at New York's famed Waldorf Astoria Hotel during the 52nd International Debutante Ball December 29, 2006.
71. My family recently made an impromptu, whirlwind eight-day trip to New York and New Jersey.
72. Other giants of the field followed, including Henri Cartier-Bresson, whose work with a Leica popularized street photography and the impromptu style of postwar photojournalism.
73. Such was the stateof affairs in 1966, when selling pigeons at an impromptu street marketwas seen as an obstacle to the triumph of socialism — and, the officialadded, as a waste of bird feed, too.
74. Immediately to the left in Sainsbury's is another familiar sight: a "chill zone" for browsing magazines, books and DVDs, tempting impromptu purchases and slowing customers down.
75. One to three minutes is a realistic time frame for most impromptu situations. Some spur-of-the-moment remarks, such as press statements, may be even shorter.
More similar words: prompt, compromise, uncompromising, improper, improved, improvise, improvised, improbable, improbably, improvement, improvident, improvisation, sumptuous, presumptuous, contemptuous, contemptuously, exempt from, comprise, compress, impress, imprint, romp, imprison, compressor, comprehend, comptroller, imprudent, imprisoned, imprecise, compression.