What's the difference between posthaste and quickly?

Posthaste


Definition:

  • (n.) Haste or speed in traveling, like that of a post or courier.
  • (adv.) With speed or expedition; as, he traveled posthaste; to send posthaste.

Example Sentences:

  • (1) Once the lesion is recognized, the operaiton should be performed posthaste because these lesions are life threatening owing to their proximal location and rapid evolution.

Quickly


Definition:

  • (adv.) Speedily; with haste or celerity; soon; without delay; quick.

Example Sentences:

  • (1) However, ticks, which failed to finish their feeding and represent a disproportionately great part of the whole parasite's population, die together with them and the parasitic system quickly restores its stability.
  • (2) She was organised, good with people, very grown up and quickly proved herself to be indispensable.
  • (3) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (4) The Pakistan government, led as usual by a general, was anxious to project the army's role as bringers of order to a country that was sliding quickly towards civil war.
  • (5) This is a struggle for the survival of our nation.” As ever, after Trump’s media dressing-down, his operation was quick to fit a velvet glove to an iron fist.
  • (6) This procedure can quickly provide acrosome-reacted bull sperm for use with various in vitro fertilization procedures and for assessment of male fertility.
  • (7) In a poll before the debate, 48% predicted that Merkel, who will become Europe's longest serving leader if re-elected on 22 September, would emerge as the winner of the US-style debate, while 26% favoured Steinbruck, a former finance minister who is known for his quick-wit and rhetorical skills, but sometimes comes across as arrogant.
  • (8) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
  • (9) The cells were taken from cultures in low-density balanced exponential growth, and the experiments were performed quickly so that the bacteria were in a uniform physiological state at the time of measurement.
  • (10) "The pattern of consumption is that among ebook readers there is a desire to pre-order, or get it quickly, so ebook sales are particularly high in the first few weeks," he said.
  • (11) There is no immediate sign that returns on Cuadrilla's investments so far will be quick.
  • (12) Both of these bills include restrictions on moving terrorists into our country.” The White House quickly confirmed the president would have to sign the legislation but denied this meant that its upcoming plan for closing Guantánamo was, in the words of one reporter, “dead on arrival”.
  • (13) Both targets were found more quickly in the high-probability location than in the other locations, but the advantage associated with targets in the high-probability location was larger for the inducing target than for the test target.
  • (14) These results, in addition to binding studies with the active site titrant N2-(5-dimethylaminonaphthalene-1-sulfonyl)arginine N-(3-ethyl-1,5-pentanediyl)amide, indicate that binding interactions at the catalytic site of Thrombin Quick I are unaltered.
  • (15) Ultrasonic fragmentation through the pars plana is a quick and easy method for relieving the condition.
  • (16) After a quick look around, he too left for his hotel.
  • (17) The maximal shortening velocity (Vmax) was obtained from force-velocity relations determined by the quick-release method.
  • (18) On the basis of studies of Ca2+ transients in muscles subjected to quick release, it has been suggested that force or shortening-mediated changes in Ca2+-troponin C affinity may provide a mechanism for a contraction-activation feedback.
  • (19) A 63-year-old man, with a Waldenström's disease discovered by cryoglobulinemia (ischemic lesions of fingers) was quickly aggravating (hyperviscosity syndrome) under treatment by chlorambucil in a dosage of 8 mg daily.
  • (20) It was found that sonography was a quick and simple method.

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