What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

What is the difference between when and since?

when | since |

Since is a conjunction of when.



As adverbs the difference between when and since

is that when is Used to introduce questions about time while since is from a specified time in the past.

As conjunctions the difference between when and since

is that when is at what time while since is from the time that.

As a pronoun when

is what time; which time.

As a noun when

is the time.

As an interjection when

is that's enough, a command to stop adding something, especially an ingredient of food or drink.

As a preposition since is

from (time).

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

    *

    Anagrams

    * hewn 100 English basic words English interrogative adverbs English terms with homophones 1000 English basic words

    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 ----