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After vs While - What's the difference?

after | while |

As conjunctions the difference between after and while

is that after is Signifies that the action of the clause it starts takes place before the action of the other clause while while is during the same time that.

As an adverb after

is behind; later in time; following.

As a preposition after

is subsequently to; following in time; later than.

As an adjective after

is later; second (of two); next, following, subsequent.

As a noun while is

an uncertain duration of time, a period of time.

As a verb while is

to pass (time) idly.

after

English

Alternative forms

* afther * aftre (obsolete)

Adverb

(-)
  • Behind; later in time; following.
    • They lived happily ever after .
    I left the room, and the dog bounded after .

    Derived terms

    * after-effect * aftermarket * aftermath * aftertaste * afterwards * go after

    Preposition

    (English prepositions)
  • Subsequently to; following in time; later than.
  • *
    • , 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-news, year=2012, date=April 15, author=Phil McNulty, work=BBC
    • , title= Tottenham 1-5 Chelsea , passage=After early sparring, Spurs started to take control as the interval approached and twice came close to taking the lead. Terry blocked Rafael van der Vaart's header on the line and the same player saw his cross strike the post after Adebayor was unable to apply a touch.}}
  • * {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=52, magazine=(The Economist)
    • , title= The new masters and commanders , passage=From the ground, Colombo’s port does not look like much. Those entering it are greeted by wire fences, walls dating back to colonial times and security posts. For mariners leaving the port after lonely nights on the high seas, the delights of the B52 Night Club and Stallion Pub lie a stumble away.}}
  • Behind.
  • *
    • , title=(The Celebrity), chapter=5 , passage=Then came a maid with hand-bag and shawls, and after her a tall young lady. She stood for a moment holding her skirt above the grimy steps,
  • In pursuit of, seeking.
  • In allusion to, in imitation of; following or referencing.
  • Next in importance or rank.
  • As a result of.
  • In spite of.
    • I can't believe that, after all our advice against gambling, you walked into that casino!
  • (Used to indicate recent completion of an activity)
  • *
  • *
  • * '>citation
  • *
  • *
  • (dated) According to an author or text.
  • Denoting the aim or object; concerning; in relation to.
    • to look after''' workmen; to enquire '''after''' a friend; to thirst '''after righteousness
  • (obsolete) According to the direction and influence of; in proportion to; befitting.
  • * Francis Bacon
    • He takes greatness of kingdoms according to bulk and currency, and not after their intrinsic value.

    Usage notes

    * The Irish English usage example is equivalent to "I had just finished my dinner when .".

    Derived terms

    * after one's own heart * after you * after-five * afternoon * go after * look after * name after

    Conjunction

    (English Conjunctions)
  • (Signifies that the action of the clause it starts takes place before the action of the other clause).
  • :
  • *
  • *: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.
  • *1991 , Donald "Shadow" Rimgale (character), (Robert DeNiro) (actor),
  • *:So you punched out a window for ventilation. Was that before or after you noticed you were standing in a lake of gasoline?
  • *{{quote-magazine, year=2013, month=May-June, author= David Van Tassel], [http://www.americanscientist.org/authors/detail/lee-dehaan Lee DeHaan
    • , title= Wild Plants to the Rescue , volume=101, issue=3, magazine=(American Scientist) , passage=Plant breeding is always a numbers game.

    Adjective

    (head)
  • (dated) Later; second (of two); next, following, subsequent
  • * 1834 , (w), A Narrative of the Life of , Nebraska 1987, p. 72:
    • I did verily believe in my own mind, that I couldn't fight in that way at all; but my after experience convinced me that this was all a notion.
  • * 1886 , (Thomas Hardy),
    • The amends he had made in after life were lost sight of in the dramatic glare of the original act.
  • *
    • , title=(The Celebrity), chapter=1 , passage=In the old days, […], he gave no evidences of genius whatsoever. He never read me any of his manuscripts, […], and therefore my lack of detection of his promise may in some degree be pardoned. But he had then none of the oddities and mannerisms which I hold to be inseparable from genius, and which struck my attention in after days when I came in contact with the Celebrity.}}
  • (nautical, where the frame of reference is within the ship) At or towards the stern of a ship.

    • Usage notes

    * As shown in the examples above, the adverb in this nautical usage is (aft) and the related preposition is (abaft).

    Derived terms

    *

    Related terms

    * aft * abaft * eft

    References

    * Andrea Tyler and Vyvyan Evans, "Spatial particles of orientation", in The Semantics of English Prepositions: Spatial Scenes, Embodied Meaning and Cognition , Cambridge University Press, 2003, 0-521-81430 8

    Statistics

    *

    Anagrams

    * 200 English basic words English sequence adverbs 1000 English basic words ----

    while

    English

    Noun

    (en noun)
  • An uncertain duration of time, a period of time.
    • He lectured for quite a long while .

    Conjunction

    (wikipedia while) (English Conjunctions)
  • During the same time that.
  • * , chapter=12
    • , title= Mr. Pratt's Patients , passage=While the powwow was going on the big woman came back again. She was consider'ble rumpled and scratched up, but there was fire in her eye.}}
  • * 1948 , , North from Mexico / The Spanish-Speaking People of The United States , J. B. Lippincott Company, page 25,
    • While De Anza was exploring the Bay of San Francisco, seeking a site for the presidio, the American colonists on the eastern seaboard, three thousand miles away, were celebrating the signing of the Declaration of Independence.
  • * {{quote-magazine, date=2013-06-07, author=David Simpson
    • , volume=188, issue=26, page=36, magazine=(The Guardian Weekly) , title= Fantasy of navigation , passage=Like most human activities, ballooning has sponsored heroes and hucksters and a good deal in between. For every dedicated scientist patiently recording atmospheric pressure and wind speed while shivering at high altitudes, there is a carnival barker with a bevy of pretty girls willing to dangle from a basket or parachute down to earth.}}
  • Although.
  • * 2013 September 28, (Kenan Malik), " London Is Special, but Not That Special," New York Times (retrieved 28 September 2013):
    • While Britain’s recession has been deep and unforgiving, in London it has been relatively shallow.
  • (Northern England, Scotland) Until.
  • * Beaumont and Fletcher
    • I may be conveyed into your chamber; I'll lie under your bed while midnight.
  • As long as.
  • * I. Watts
    • Use your memory; you will sensibly experience a gradual improvement, while you take care not to overload it.

    Verb

    (whil)
  • To pass (time) idly.
  • * Longfellow
    • The lovely lady whiled the hours away.
  • To loiter.
    • (Spectator)

    Derived terms

    * while away * meanwhile * the while

    Related terms

    * whilst * awhile

    Statistics

    * 200 English basic words 1000 English basic words