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Since vs Upon - What's the difference?

since | upon |

As adverbs the difference between since and upon

is that since is from a specified time in the past while upon is being the target of an action.

As prepositions the difference between since and upon

is that since is from (time) while upon is being above and in contact with another.

As a conjunction since

is from the time that.

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

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    Anagrams

    * nices, 1000 English basic words ----

    upon

    English

    Alternative forms

    * vpon (obsolete)

    Preposition

    (English prepositions)
  • Being above and in contact with another.
  • :
  • *{{quote-book, year=1899, author=(Hughes Mearns)
    • , title= , passage=Yesterday, upon the stair / I met a man who wasn’t there / He wasn’t there again today / I wish, I wish he’d go away …}}
  • Being directly supported by another.
  • :
  • :
  • Being followed by another so as to form a series.
  • :
  • At a prescribed point in time.
  • :
  • .
  • *
    • , title=(The Celebrity), chapter=5 , passage=Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.}}
  • *
  • *:Little disappointed, then, she turned attention to "Chat of the Social World," gossip which exercised potent fascination upon the girl's intelligence.

    • Usage notes

    A somewhat elevated word; the simpler, more general term on is generally interchangeable, and more common in casual American speech. In poetic or legal contexts, upon is common.

    Synonyms

    * (all senses) on * (time) at

    Adverb

    (-)
  • Being the target of an action.
    • He was set upon by the agitated dogs
  • Incidental to a specified point in time or order of action; usually combined with here-, there- or where-.
    • The clock struck noon, whereupon the students proceeded to lunch.

    Derived terms

    * hereupon * thereupon * whereupon

    Statistics

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