(adv. / a.) Offhand; without previous study; extemporaneous; extempore; as, an impromptu verse.
(n.) Something made or done offhand, at the moment, or without previous study; an extemporaneous composition, address, or remark.
(n.) A piece composed or played at first thought; a composition in the style of an extempore piece.
Example Sentences:
(1) Nadezhda Tolokonnikova and Maria Alyokhina were arrested on the eve of Russia's presidential vote last weekend, days after an impromptu performance of an anti-Putin song in Moscow's Cathedral of Christ the Saviour.
(2) 8.25am BST Remiss of me not to have an entry from Tony Abbott for our impromptu Politics Live Tumblr - leaders looking at things.
(3) Nick Clegg, 24 October 2010 Chopin's Waltz in A Minor played by Idil Biret Sunday Morning Coming Down by Johnny Cash The Cross by Prince Petit Pays by Cesária Évora Street Spirit by Radiohead Life on Mars by David Bowie Waka Waka 2010 World Cup theme, by Shakira Schubert's Impromptu No.3 in G Flat Major played by Alfred Brendel Book The Leopard, by Giuseppe Tomasi di Lampedusa Luxury A stash of cigarettes David Cameron, 28 May 2006 Tangled Up In Blue by Bob Dylan Ernie by Benny Hill Wish You Were Here by Pink Floyd Mendelssohn's On Wings of Song performed by Kiri Te Kanawa and Utah Symphony Orchestra Fake Plastic Trees by Radiohead This Charming Man by The Smiths Perfect Circle by R.E.M.
(4) An impromptu party was held in the luxury show flat of the housing association that was evicting them.
(5) The journey up through the Atlas had taken us past impromptu festivals, weekly markets, flocks of goats and a millennium of history.
(6) It's one of the show's periodic "dark weeks", so the open-plan offices are almost empty, except for Oliver and his boss, Jon Stewart , who emerges briefly to perform an impromptu monologue about his plans to order falafel for lunch.
(7) For many, the greatest proof of the pope's commitment to inclusivity and his desire to appeal to those who have long felt ignored or criticised by the church came during an impromptu press conference on a flight back from Brazil in July.
(8) The other high-profile beneficiaries of the amnesty are Nadezhda Tolokonnikova and Maria Alyokhina of the punk group Pussy Riot, who are serving two-year sentences for staging an impromptu punk performance in Moscow's main cathedral early last year.
(9) I'll do anything: peel spuds, look after the veg, make an impromptu pud.
(10) The maelstrom began only a few minutes into the televised debate at Hofstra University, on Long Island, on Wednesday night, when McCain seized on an impromptu encounter between Obama and a resident in Holland, Ohio, last weekend.
(11) A fter everything else – after Flynn, after the failure to replace him, after the Ice raids and the impromptu strategy session at Mar-a-Lago, and after yesterday’s bizarre press conference – who does Trump have left on his side?
(12) Whether you're a sculptor, painter, photographer, or simply want to show off some impromptu acts of creative genius, the Alley wants to hear from you.
(13) After a nauseating impromptu public love-in with historian Niall Ferguson , who undermined what had been a persuasive argument on the reorganisation of the history syllabus by suggesting we adopt the US model – was there ever a nation who understood less of the world?
(14) One man was arrested in Sydney after students staged an impromptu sit-in on a busy city street, while marches also brought traffic to a halt in Melbourne, Newcastle, Hobart, Brisbane and Perth.
(15) Turner fondly recalled an impromptu pre-election rally near Houston with Cruz and his wife giving speeches from the back of a pick-up truck: "They spoke our values then he went to Washington and followed them."
(16) When about 20,000 people turned up for an impromptu opposition funeral rally in Mazzeh in February this year, for example, it was the shabiha who, according to demonstrators interviewed by the Guardian in Damascus, fired on the protesters.
(17) 3.25pm ET: The crowd is moving off the Mall into what looks like an impromptu parade up Pennsylvania, heading for the White House...
(18) The impromptu performance came at the end of a nationwide minute’s silence to honour the 22 people killed in Monday’s bombing at Manchester Arena.
(19) Another 6 Music DJ, Tom Robinson, also spoke to the crowd, which broke into an impromptu rendition of The Beatles' Hey Jude, with the lyrics changed to "Save 6" .
(20) Apart from one December, when a travelling Oxford college choir thought we would enjoy an impromptu carol concert.
Spontaneous
Definition:
(a.) Proceding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proportion.
(a.) Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth.
(a.) Produced without being planted, or without human labor; as, a spontaneous growth of wood.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) Hypothyroidism complicated by spontaneous hyperthyroidism is an interesting but rare occurrence in the spectrum of autoimmune thyroid disorders.
(3) Spontaneous locomotor activity was lower in naloxone-infused rats on day 3 only.
(4) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
(5) Sample processing appears effective in avoiding spontaneous oxalogenesis.
(6) Thus, B cells that grow spontaneously from the peripheral blood of SS patients spontaneously produce a B-cell growth factor.
(7) They can rarely be detected spontaneously but most often are provoked.
(8) The ACTH deficiency recovered spontaneously, with normal cortisol responses to depot Synacthen (greater than 1380 at 6 h) and hypoglycemia (peak, 590) 14 and 18 months postpartum, respectively.
(9) The number of peripheral blood lymphocytes (PBL) producing IgM (spontaneous and pokeweed mitogen (PWM) stimulated) at the end of a seven day culture period was similar in PBC patients and control subjects while the amount of IgM synthesized (spontaneous and PWM stimulated) during this period was significantly greater in the patient group, implying that the amount of IgM produced per B cell was increased in PBC.
(10) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
(11) Fractures which occur near the base of the dens have a low propensity to unite spontaneously.
(12) The cell fermentation culture with a stabilized pH value was better than the culture with the pH value changing spontaneously on saponin content, growth rate and biomass.
(13) Recovery was spontaneous and no antimicrobial agents were required.
(14) Over a period of 9 months a 12-year-old girl spontaneously developed a palpable cystic tumor in the upper eye lid which led to an indentation and downward displacement of the globe.
(15) In the dark the 6-azidoflavoproteins are quite stable, except for L-lactate oxidase, where spontaneous conversion to the 6-amino-FMN enzyme occurs slowly at pH 7.
(16) Spontaneous reports of suspected adverse reactions may be the only way of revealing very rare events but they present great difficulties of rational interpretation.
(17) In addition, spontaneous platelet aggregation is increased when vegetations are present on cardiac valves.
(18) Media made hyperosmotic with sucrose increase the frequency of spontaneously released quanta of transmitter, or miniature excitatory postsynaptic potentials (MEPSPs).
(19) There is no convincing evidence that immunosuppression is effective, also because the natural history of the disease is characterised by a spontaneous disappearance of the factor VIII-C inhibitor.
(20) By contrast, the concentrations of IgA1 kappa and IgA1 lambda in PBMC culture supernatants, both spontaneous and PWM-stimulated, were identical in patients and controls.