What's the difference between erstwhile and previous?

Erstwhile


Definition:

  • (adv.) Till then or now; heretofore; formerly.

Example Sentences:

  • (1) Alex Turner has already set about ingratiating himself with the 2013 festival by guesting with his erstwhile partner in the Last Shadow Puppets, Miles Kane, earlier this afternoon, but as he takes to the Pyramid Stage for the Monkeys' headline slot, piling straight into the bluesy electronic throbs of new single Do I Wanna Know in a sharp striped suit and teddy quiff and throwing the odd karate beckoning motion, there's a real sense of points to be proved.
  • (2) It's as well to be aware of the beckoning avenues of justification that are drawing in so many of our erstwhile comrades.
  • (3) That seemed not to worry Unite's Len McCluskey, his erstwhile blustery critic, who sent out paeans of reckless praise: "This is a tour de force … the best speech from a Labour leader I have heard."
  • (4) Appropriately for a presenter steeped in statistics, the BBC's erstwhile economics editor drew up a cost-benefit analysis weighing up the pros and cons of replacing Jeremy Paxman as Newsnight's lead anchor, to little effect.
  • (5) The erstwhile envoy caused ructions earlier this week when he declared in an interview with the New York Times that Greece's IMF-dicated fiscal adjustment program was doomed to failure.
  • (6) It was all very well for erstwhile broadsheet newspaper readers to jeer "Who cares?"
  • (7) When George Robertson, erstwhile secretary general of Nato, used a New York speech to warn of the "cataclysmic" effects of a yes vote, suggesting it would be an early Christmas present for global terrorists, even close colleagues had to avert their ears.
  • (8) Blackout will be organising grassroots events, nationwide, for people to come out and show their solidarity in the fight for equal human rights.” Backers include Fruitvale Station actor Michael B Jordan, Vampire Diaries star Kat Graham, hiphop mogul Russell Simmons and erstwhile Rage Against the Machine guitarist Tom Morello.
  • (9) He has also covered an old Scottish folk song, 'Hymn Of The Whale', as well as a fearsome semi-industrial track in the company of the erstwhile drummer from Nine Inch Nails.
  • (10) But if he can roll out enough insults to Democrats and pal around with more conventional Tea Party heroes such as Steve Lonegan (the erstwhile GOP NJ senate candidate), Christie could convince the conservative base he has their best interests at his large heart.
  • (11) If its officials have been more visible it is a function of the fact that many, including Koussa and his erstwhile deputy, Khaled Kaim, have more experience in dealing with the west.
  • (12) For the erstwhile parliamentarian, who has had more time on his hands since losing his Morley and Outwood seat at the general election in May, it is an opportunity to indulge a passion for the club he has harboured since he was a small boy.
  • (13) Earlier this month, the Kabul-based military command, under marine general Joseph Dunford, sharply rebuked its erstwhile Afghanistan partners for releasing 65 detainees it said had US and Afghan blood on their hands.
  • (14) Archer's creepy Pecksniffian pals If there's one thing worse than Jeffrey Archer, it is the erstwhile friends of Jeffrey Archer.
  • (15) Moreover, after what’s sure to be millions of people who were otherwise not very engaged in the topic of internet security go ahead and read Zuckerberg’s post, they may care just a bit more about what’s being done to us all by our erstwhile protectors – not just by the criminals.
  • (16) Although still stunned by the Fifa president’s resignation, Dyke thinks he can explain it, starting with the allegations of a bribe to erstwhile Fifa official Jack Warner.
  • (17) For more than two weeks, his erstwhile deputies claimed Mehsud was ill while they arranged his succession.
  • (18) Harassed western alliance seeks erstwhile head of Taliban administration.
  • (19) That is our project, and we are getting there.” Manchester United reverted to the three-centre-back system they started out with under Louis van Gaal for their visit to the erstwhile league leaders, partly out of respect for Vardy’s hot streak but also because Marcos Rojo had to pull out injured.
  • (20) The successful cloning of a non-structural antigen from the genome of what is now designated as the 'hepatitis C virus' (HCV) has transformed an erstwhile diagnosis of exclusion for non-A, non-B hepatitis (NANBH).

Previous


Definition:

  • (a.) Going before in time; being or happening before something else; antecedent; prior; as, previous arrangements; a previous illness.

Example Sentences:

  • (1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
  • (2) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
  • (3) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
  • (4) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
  • (5) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
  • (6) Clinical and roentgenographic criteria could not discriminate between patients with and without pneumonia, confirming the findings of previous investigations.
  • (7) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
  • (8) The taxonomic relationship of strains H4-14 and 25a with previously described Xanthobacter strains was studied by numerical classification.
  • (9) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (10) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
  • (11) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (12) As the percentage of rabbit feed is very small compared to the bulk of animal feeds, there is a fair chance that rabbit feed will be contaminated with constituents (additives) of batches previously prepared for other animals.
  • (13) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
  • (14) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (15) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (16) Some S-100 reactive cells previously interpreted as tumour cells were refound in a few tumours.
  • (17) The results of our microscopic model confirm that the continuum hypothesis used in our previous macroscopic model is reasonable.
  • (18) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.
  • (19) We present these cases and review the previously reported cases.
  • (20) These data indicate that RNA faithfully transfers "suppressive" as well as "positive" types of immune responses that have been reported previously for lymphocytes obtained directly from tumour-bearing and tumour-immune animals.