What's the difference between extempore and impromptu?

Extempore


Definition:

  • (adv.) Without previous study or meditation; without preparation; on the spur of the moment; suddenly; extemporaneously; as, to write or speak extempore.
  • (a.) Done or performed extempore.
  • (n.) Speaking or writing done extempore.

Example Sentences:

  • (1) We compared the results obtained in the treatment of bronchospastic conditions in two groups of 20 patients, one treated with an extempore combination of salbutamol (2 mg tablets) and oxatomide (30 mg tablets) and the other with salbutamol (2 mg tablets) alone.
  • (2) Extemporizing on Syrian president Bashar al-Assad’s use of chemical weapons against a civilian population, Spicer explained why the Syrian dictator is more evil than Hitler.
  • (3) Binary adsorbents synthesized extempore and based on carbon matrices and biospecific ligands are described.
  • (4) Forty outpatients with skin diseases were treated with an extempore combination of three creams, the respective bases of which were beclomethasone dipropionate, sodium fusidate and ketoconazole.
  • (5) The possibility of performing an extempore intraoperative histological examination makes it possible to obtain a correct diagnosis of endocrine neoplasm and thus to proceed with surgery which could not be contemplated in adenocarcinomatous forms at an equivalent stage.
  • (6) Sixty-five patients, 25 with acute bronchopulmonary respiratory tract diseases and 40 with acute exacerbations of chronic respiratory tract infections, were treated by means of intramuscular injection of an extempore combination of 1 g of cefuroxime and 300 mg of acetylcysteine.
  • (7) Ampicillin-sodium was applied in the form of 5 per cent solution, and ampicillin-trihydrate--in the form of a 5 per cent water suspension prepared extempore prior to their administration.
  • (8) It was a small insight in some ways – everyone knows Clinton can't stick to a script – but a big lesson if you compare it to the Eastwood debacle of the week before: there is no amount of acting experience, and extemporizing what to say, that can compensate for knowing what people want to hear.
  • (9) Forty out-patients suffering from a variety of skin diseases were treated over a period of 7 to 14 days (mean 9.6 days) with twice-daily applications of an extempore combination of sodium fusidate, clobetasone butyrate and ketoconazole creams.
  • (10) The spontaneous proliferative activity in cells obtained extempore varied widely.
  • (11) Forty-one patients with skin diseases of various origins were treated with an extempore combination of three creams containing clobetasone butyrate, sodium fusidate and ketoconazole.
  • (12) The preparation was proposed as a new extemporal pharmaceutical form of levomycetin for intravenous administration.
  • (13) Forty patients with bronchospasm of various origins were treated with an extempore combination of a bronchodilator, salbutamol, and an antihistamine agent, oxatomide.
  • (14) Forty patients suffering from asthmatic conditions, often accompanied by emphysema, were treated either with an extempore combination of salbutamol syrup plus 30-mg oxatomide tablets or with 30-mg oxatomide tablets alone for purposes of comparison.
  • (15) At every school he visited, Gove peppered everyone within earshot with these questions and more, as well as pitching in with an extempore history lesson at Orchard Gardens with a group of 10-year-olds.
  • (16) Besides which, even if the cartoonist w​as intending to speak from a script rather than extempore, there could obviously be no guarantee that he would stick to a censored script.

Impromptu


Definition:

  • (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.