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Upon vs Until - What's the difference?

upon | until |

As prepositions the difference between upon and until

is that upon is being above and in contact with another while until is up to the time of (something happening).

As an adverb upon

is being the target of an action.

As a conjunction until is

up to the time that (a condition becomes true).

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

    *

    until

    English

    Preposition

    (English prepositions)
  • Up to the time of (something happening).
  • * {{quote-magazine, date=2013-06-28, author=(Joris Luyendijk)
    • , volume=189, issue=3, page=21, magazine=(The Guardian Weekly) , title= Our banks are out of control , passage=Seeing the British establishment struggle with the financial sector is like watching an alcoholic […].  Until 2008 there was denial over what finance had become. When a series of bank failures made this impossible, there was widespread anger, leading to the public humiliation of symbolic figures.}}
  • Before (a time).
  • *
    • , title=(The Celebrity), chapter=1 , passage=I was about to say that I had known the Celebrity from the time he wore kilts. But I see I will have to amend that, because he was not a celebrity then, nor, indeed, did he achieve fame until some time after I left New York for the West.}}
  • * {{quote-magazine, date=2013-06-21, author= Chico Harlan
    • , volume=189, issue=2, page=30, magazine=(The Guardian Weekly) , title= Japan pockets the subsidy … , passage=Across Japan, technology companies and private investors are racing to install devices that until recently they had little interest in: solar panels. Massive solar parks are popping up as part of a rapid build-up that one developer likened to an "explosion."}}
  • (obsolete) To; physically towards.
  • * Spenser
    • He roused himself full blithe, and hastened them until .

    Usage notes

    It is typically assumed that circumstances have changed or could change at the referenced time. For instance, “All has gone well until now” implies that the current situation may not be so good.

    Synonyms

    * 'til (nonstandard), till, up to

    Antonyms

    * since

    Conjunction

    (English Conjunctions)
  • Up to the time that (a condition becomes true).
  • *
  • *:It was April 22, 1831, and a young man was walking down Whitehall in the direction of Parliament Street.. He halted opposite the Privy Gardens, and, with his face turned skywards, listened until the sound of the Tower guns smote again on the ear and dispelled his doubts.
  • *{{quote-magazine, date=2013-07-19, author=(Peter Wilby)
    • , volume=189, issue=6, page=30, magazine=(The Guardian Weekly) , title= Finland spreads word on schools , passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16. Charging school fees is illegal, and so is sorting pupils into ability groups by streaming or setting.}}
  • Before (a condition becoming true).
  • *
  • *:It is never possible to settle down to the ordinary routine of life at sea until the screw begins to revolve. There is an hour or two, after the passengers have embarked, which is disquieting and fussy.

    • Synonyms

    * 'til (nonstandard ), till

    Statistics

    *

    Anagrams

    * 200 English basic words English prepositions 1000 English basic words