Sub vs Child - What's the difference?

sub | child |

As nouns the difference between sub and child

is that sub is a submarine while child is a daughter or son; an offspring.

As a verb sub

is (us|informal) to substitute for or sub can be to coat with a layer of adhering material; to planarize by means of such a coating.

As a preposition sub

is under.

Other Comparisons: What's the difference?



Etymology 1

Shortened form of any of various words beginning sub- , such as submarine, subroutine, substitute, subscription. The sandwich is so called because the bun's cylindrical shape resembles the shape of a submarine.


(en noun)
  • A submarine.
  • A submarine sandwich—a sandwich made on a long bun.
  • We can get subs at that deli.
  • (US, informal) A substitute.
  • With the score 4 to 1, they brought in subs .
    She worked as a sub until she got her teaching certificate.
  • (British, informal) A substitute in a football (soccer) game: someone who comes on in place of another player part way through the game.
  • * 1930 , Boy's Live, Philip Scruggs, There Can Be Victory , page 20
  • At any other school you would be playing varsity, and Wallace has you pigeon-holed on the subs'." "Maybe he has his reasons," Jim replied. "And he hasn't pigeon-holed me on the ' subs yet — not this season.
  • (British, informal, often in plural) Short for subscription: a payment made for membership of a club, etc.
  • (informal) A submissive in BDSM practices.
  • * 2004 , Paul Baker, Fantabulosa: A Dictionary of Polari and Gay Slang?
  • ...roleplay where a sub or bottom takes care of a top's bodily and hygiene needs...
  • * 2007 , Laurell K Hamilton, The Harlequin
  • "It means that I'm both a sub and a dom." "Submissive and dominant," I said. He nodded.
  • * 2008 , Lannie Rose, How to Change Your Sex
  • Typically a dom and a sub have a more or less standard routine that they like to go through all the time.
  • (Internet, informal) A subtitle.
  • I've just noticed a mistake in the subs for this film.
  • (computing, programming) A subroutine (sometimes one that does not return a value, as distinguished from a function, which does).
  • * 2002 , Nathan Patwardhan, Ellen Siever, Stephen Spainhour, Perl in a nutshell
  • The default accessor can be overridden by declaring a sub of the same name in the package.
  • * 2004 , P. K. McBride, Introductory Visual Basic.NET (page 49)
  • So far, all the subs and functions that we have used have been those built into the system, or those written to handle events from controls...
  • (colloquial, dated) A subordinate.
  • (colloquial, dated) A subaltern.
  • Synonyms
    * (submarine sandwich) grinder, hoagie
    * (submarine sandwich) sandwich


  • (US, informal) To substitute for.
  • (US, informal) To work as a substitute teacher, especially in primary and secondary education.
  • (British, informal, football) To replace (a player) with a substitute.
  • He never really made a contribution to the match, so it was no surprise when he was subbed at half time.
  • (British, informal, football) Less commonly, and often as sub on , to bring on (a player) as a substitute.
  • ''He was subbed on half way through the second half, and scored within minutes.
  • (British) To perform the work of a subeditor or copy editor; to subedit.
  • (UK, slang, transitive) To lend.
  • * 2011 , Rowland Rivron, What the F*** Did I Do Last Night?
  • I kept up the pleasantries as we were drying our hands and, realizing I didn't have any change for the lodger, I asked him, one drummer to another like, if he could sub me a quid for the dish.
  • (slang) To subscribe.
  • (BDSM) To take a submissive role.
  • * Alicia White, Jessica's Breakdown (page 53)
  • You've never subbed before. Jessica will be expecting a man on stage that follows orders and enjoys what she's going to be doing. Do you want to be spanked? Possibly whipped?
  • * 2012 , Tiffany Reisz, Little Red Riding Crop
  • Wasn't like she'd never subbed before. She'd been a sub longer than she'd been a Dominatrix–ten years she'd spent in a collar.

    Etymology 2

    From (etyl) sub.


    (English prepositions)
  • Under.
  • Verb

  • To coat with a layer of adhering material; to planarize by means of such a coating.
  • (microscopy) To prepare (a slide) with an layer of transparent substance to support and/or fix the sample.
  • * 1997 , Marina A. Lynch, S. M. O'Mara (editors), Ali D. Hames, D. Rickwood (series editors), Neuroscience Labfax , page 166,
  • Ensure that gloves are worn when handling subbed' slides. Although the following protocol describes '''subbing with gelatin, slides may also be coated with either 3-(triethoxysilyl-)propylamine (TESPA) or poly-L-lysine for ''in situ hybridization.

    See also

    * switch (one who is willing to take either a sadistic or a masochistic role)


    * * * ----



    Alternative forms

    * (l) (archaic)


  • A daughter or son; an offspring.
  • (figuratively) An offspring; one born in, or considered a product of the culture of, a place.
  • * 1984 , Mary Jane Matz, The Many Lives of Otto Kahn: A Biography , page 5:
  • For more than forty years, he preached the creed of art and beauty. He was heir to the ancient wisdom of Israel, a child of Germany, a subject of Great Britain, later an American citizen, but in truth a citizen of the world.
  • (figuratively) A member of a tribe, a people or a race of beings; one born into or considered a product of a people.
  • * 2009 , Edward John Moreton Dunsany, Tales of Wonder , page 64:
  • Plash-Goo was of the children of the giants, whose sire was Uph. And the lineage of Uph had dwindled in bulk for the last five hundred years, till the giants were now no more than fifteen foot high; but Uph ate elephants
  • (figuratively) A thing or abstraction derived from or caused by something.
  • * 1991 , (w, Midnight's Children) , (Salman Rushdie) (title)
  • A person who is below the age of adulthood; a minor (person who is below the legal age of responsibility or accountability).
  • * {{quote-magazine, date=2013-06-07, author=(Joseph Stiglitz)
  • , volume=188, issue=26, page=19, magazine=(The Guardian Weekly) , title= Globalisation is about taxes too , passage=It is time the international community faced the reality: we have an unmanageable, unfair, distortionary global tax regime. […] It is the starving of the public sector which has been pivotal in America no longer being the land of opportunity – with a child' s life prospects more dependent on the income and education of its parents than in other advanced countries.}}
  • (computing) A data item, process or object which has a subservient or derivative role relative to another data item, process or object.
  • * 2011 , John Mongan, ?Noah Kindler, ?Eric Giguère, Programming Interviews Exposed
  • The algorithm pops the stack to obtain a new current node when there are no more children (when it reaches a leaf).
  • (obsolete) A female infant; a girl.
  • * Shakespeare
  • A boy or a child , I wonder?


    * (daughter or son) boy, fruit of one's loins, girl, kid, offspring * (young person) bairn, boy, brat, girl, kid, lad, lass * See also


    * (daughter or son) father, mother, parent * (person below the age of adulthood) adult * parent

    Derived terms

    * boomerang child * childhood * childish * childless * childlike * love-child * lovechild * manchild * middle child * only child * perpetual child * problem child * schoolchild * war child * with child

    See also

    * orling


    * Merriam-Webster's Online Dictionary (accessed November 2007). * American Heritage Dictionary , Fourth Edition, Houghton Mifflin Company (2003). English nouns with irregular plurals 1000 English basic words