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On vs When - What's the difference?

on | when |

As nouns the difference between on and when

is that on is lamb while when is the time.

As an adverb when is

(interrogative) (used to introduce questions about time).

As a conjunction when is

at what time.

As a pronoun when is

(interrogative) what time; which time.

As an interjection when is

that's enough,.

on

English

Etymology 1

From (etyl) (m), from (etyl) (m), , see (m).

Adjective

(-)
  • In the state of being active, functioning or operating.
  • Performing according to schedule.
  • Are we still on for tonight?
    Is the show still on ?
  • (UK, informal) Acceptable, appropriate.
  • right on'''''; ''bang '''on'''''; ''not '''on
  • (informal) Destined, normally in the context of a challenge being accepted; involved, doomed.
  • "Five bucks says the Cavs win tonight." ?"You're on !"
    Mike just threw coffee onto Paul's lap. It's on now.
  • (baseball, informal) Having reached a base as a runner and being positioned there, awaiting further action from a subsequent batter.
  • Synonyms
    * base (not informal)

    Adverb

    (-)
  • To an operating state.
  • turn the television on
  • Along, forwards (continuing an action).
  • drive on''', rock '''on
  • * {{quote-news
  • , year=2012 , date=May 5 , author=Phil McNulty , title=Chelsea 2-1 Liverpool , work=BBC Sport , url=http://www.bbc.co.uk/sport/0/football/17878435 , page= , passage=He met Luis Suarez's cross at the far post, only for Chelsea keeper Petr Cech to show brilliant reflexes to deflect his header on to the bar. Carroll turned away to lead Liverpool's insistent protests that the ball had crossed the line but referee Phil Dowd and assistant referee Andrew Garratt waved play on , with even a succession of replays proving inconclusive.}}
  • In continuation, at length.
  • and so on .
    He rambled on''' and '''on .
  • (cricket) In, or towards the half of the field on the same side as the batsman's legs; the left side for a right-handed batsman; leg.
  • (not US) Later.
  • Ten years on nothing had changed in the village.
    Antonyms
    * off * (to an operating state) off * (later) after, afterward/afterwards, later, subsequently, thence

    Preposition

    (English prepositions)
  • Positioned at the upper surface of, touching from above.
  • * Longfellow
  • I stood on the bridge at midnight.
  • At or near; adjacent to.
  • Soon we'll pass a statue on the left.
    The fleet is on the American coast.
  • Covering.
  • At the date of.
  • Some time during the day of.
  • Dealing with the subject of, about, or concerning something.
  • Touching; hanging from.
  • (informal) In the possession of.
  • Because of, or due to.
  • Immediately after.
  • Paid for by.
  • *
  • , title=(The Celebrity), chapter=4 , passage=Mr. Cooke at once began a tirade against the residents of Asquith for permitting a sandy and generally disgraceful condition of the roads. So roundly did he vituperate the inn management in particular, and with such a loud flow of words, that I trembled lest he should be heard on the veranda.}}
  • Away or occupied with (e.g. a scheduled activity).
  • Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with.
  • to play on a violin or piano
    Her words made a lasting impression on my mind.
  • (senseid) Regularly taking (a drug).
  • (senseid) Under the influence of (a drug).
  • (mathematics) Having identical domain and codomain.
  • a function on V
  • (mathematics) Having V^n as domain and V'' as codomain, for some set ''V'' and integer ''n .
  • an operator on V
  • (mathematics) Generated by.
  • Supported by (the specified part of itself).
  • At a given time after the start of something; .
  • * {{quote-news, year=2011, date=September 24, author=Aled Williams, work=BBC Sport
  • , title=[http://news.bbc.co.uk/sport2/hi/football/eng_prem/14957961.stm Chelsea 4-1 Swansea] , passage=The Spain striker had given Chelsea the lead on 29 minutes but was shown a straight red card 10 minutes later for a rash challenge on Mark Gower.}}
  • In addition to; besides; indicating multiplication or succession in a series.
  • heaps on heaps of food
    mischief on''' mischief; loss '''on loss
    (Shakespeare)
  • (obsolete) of
  • * Shakespeare
  • Be not jealous on me.
  • * Shakespeare
  • Or have we eaten on the insane root / That takes the reason prisoner?
  • Indicating dependence or reliance; with confidence in.
  • I depended on them for assistance.
    He will promise on certain conditions.
    Do you ever bet on horses?
  • Toward; for; indicating the object of an emotion.
  • Have pity or compassion on him.
  • (obsolete) At the peril of, or for the safety of.
  • * Dryden
  • Hence, on thy life.
  • In the service of; connected with; of the number of.
  • He is on''' a newspaper; I am '''on the committee.
  • By virtue of; with the pledge of.
  • He affirmed or promised on''' his word, or '''on his honour.
  • To the account of; denoting imprecation or invocation, or coming to, falling, or resting upon.
  • On us be all the blame.
    A curse on him!
  • * Bible, Matthew xxvii. 25
  • His blood be on' us and ' on our children.
    Derived terms
    * depend on * on-campus * put on airs *

    Verb

    (en verb)
  • (Singapore) To switch on.
  • Can you on the light?
    Synonyms
    *

    Etymology 2

    From (etyl) .

    Alternative forms

    * (l)

    Preposition

    (English prepositions)
  • Without.
  • Usage notes
    * Usually followed by a perfect participle, as being'', ''having , etc.

    Statistics

    *

    when

    English

    (wikipedia when)

    Adverb

    (-)
  • (interrogative) (Used to introduce questions about time).
  • When will they arrive ?
  • (Used to introduce indirect questions about time).
  • Do you know when they arrived?
    Do you know when they will arrive?
    Do you know when they arrive?
  • At an earlier and less prosperous time.
  • He's mister high and mighty now, but I remember him when .

    Conjunction

    (missing senses) (English Conjunctions)
  • At what time.
  • :
  • *
  • , title=(The Celebrity), chapter=4 , passage=The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on an afternoon when Mr. Cooke was trying a trotter on the track.
  • *
  • *:Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when , of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.
  • At such time as.
  • :
  • *{{quote-magazine, year=2013, month=July-August, author=(Henry Petroski)
  • , title= Geothermal Energy , volume=101, issue=4, magazine=(American Scientist) , passage=Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.}}
  • As soon as.
  • :
  • At a time in the past.
  • :
  • *{{quote-news, year=2012, date=April 22, author=Sam Sheringham, work=BBC Sport
  • , title= Liverpool 0-1 West Brom , passage=The Baggies had offered little threat until the 28th minute, but when their first chance came it was a clear one.}}

    Derived terms

    * whenwe

    Pronoun

    (English Pronouns)
  • (interrogative) What time; which time
  • Since when do I need your permission?

    Noun

    (en noun)
  • The time.
  • A good article will cover the who, the what, the when , the where, the why and the how .

    See also

    * since when

    Interjection

    (en interjection)
  • That's enough,
  • *
  • *
  • *
  • Derived terms

    * whenever

    Statistics

    *