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Since vs Once - What's the difference?

since | once |

As adverbs the difference between since and once

is that since is from a specified time in the past while once is one and only one time.

As conjunctions the difference between since and once

is that since is from the time that while once is as soon as; when; after.

As a preposition since

is from (time).

since

English

Adverb

(-)
  • From a specified time in the past.
  • Preposition

    (English prepositions)
  • From (time).
  • * {{quote-news, year=2012, date=April 19, author=Josh Halliday, work=the Guardian
  • , title= Free speech haven or lawless cesspool – can the internet be civilised? , passage="Mujtahidd" has attracted almost 300,000 followers since the end of last year, when he began posting scandalous claims about the Saudi elite. In one tweet, Mujtahidd directly challenged Prince Abdul Aziz Bin Fahd about his political history: "Did you resign or were you forced to resign from your post as head of the diwan [office] of the council of ministers?"}}
  • * {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=29, magazine=(The Economist)
  • , title= Unspontaneous combustion , passage=Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.}}
    Antonyms
    * until

    Conjunction

    (English Conjunctions)
  • From the time that.
  • * , section=chapter 6
  • , title= Mr. Pratt's Patients , passage=He had one hand on the bounce bottle—and he'd never let go of that since he got back to the table—but he had a handkerchief in the other and was swabbing his deadlights with it.}}
  • * {{quote-magazine, year=2013, month=September-October, author=(Simson Garfinkel)
  • , magazine=(American Scientist), title= Digital Forensics , passage=Since the 1980s, computers have had increasing roles in all aspects of human life—including an involvement in criminal acts. This development has led to the rise of digital forensics, the uncovering and examination of evidence located on all things electronic with digital storage, including computers, cell phones, and networks.}}
  • Because.
  • * {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , section=chapter 20 citation , passage=The story struck the depressingly familiar note with which true stories ring in the tried ears of experienced policemen.
  • (obsolete) When or that.
  • * (William Shakespeare)
  • Do you remember since we lay all night in the windmill in St. George's field?

    Statistics

    *

    Anagrams

    * nices, 1000 English basic words ----

    once

    English

    (wikipedia once)

    Adverb

    (-)
  • (lb) One and only one time.
  • :
  • (lb) Formerly; during some period in the past.
  • :
  • *
  • *:Orion hit a rabbit once ; but though sore wounded it got to the bury, and, struggling in, the arrow caught the side of the hole and was drawn out. Indeed, a nail filed sharp is not of much avail as an arrowhead; you must have it barbed, and that was a little beyond our skill. Ikey the blacksmith had forged us a spearhead after a sketch from a picture of a Greek warrior; and a rake-handle served as a shaft.
  • *{{quote-book, year=1944, author=(w)
  • , title= The Three Corpse Trick, chapter=5 , passage=The hovel stood in the centre of what had once been a vegetable garden, but was now a patch of rank weeds. Surrounding this, almost like a zareba, was an irregular ring of gorse and brambles, an unclaimed vestige of the original common.}}
  • *{{quote-magazine, date=2013-06-14, author=(Jonathan Freedland)
  • , volume=189, issue=1, page=18, magazine=(The Guardian Weekly) , title= Obama's once hip brand is now tainted , passage=Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.}}
  • (lb) Multiplied by one: indicating that a number is multiplied by one.
  • :
  • As soon as.
  • *{{quote-magazine, date=2013-06-07, author= Ed Pilkington
  • , volume=188, issue=26, page=6, magazine=(The Guardian Weekly) , title= ‘Killer robots’ should be banned in advance, UN told , passage=In his submission to the UN, [Christof] Heyns points to the experience of drones. Unmanned aerial vehicles were intended initially only for surveillance, and their use for offensive purposes was prohibited, yet once strategists realised their perceived advantages as a means of carrying out targeted killings, all objections were swept out of the way.}}

    Coordinate terms

    * (one time) twice, thrice, often, never, seldom * (formerly) yesterday, tomorrow

    See also

    * once again, once more * once and for all * once in a blue moon * once in a while * once removed * once upon a time

    Conjunction

    (English Conjunctions)
  • As soon as; when; after.
  • We'll get a move on once we find the damn car keys!
    Once you have obtained the elven bow, return to the troll bridge and trade it for the sleeping potion.
    Once he is married, he will be able to claim the inheritance.
  • * {{quote-news, year=2011
  • , date=September 27 , author=Alistair Magowan , title=Bayern Munich 2 - 0 Man City , work=BBC Sport citation , page= , passage=Not only were Jupp Heynckes' team pacey in attack but they were relentless in their pursuit of the ball once they had lost it, and as the game wore on they merely increased their dominance as City wilted in the Allianz Arena.}}

    Statistics

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