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Synonyms

sub

1 American  
[suhb] / sʌb /

noun

  1. a submarine.

  2. a substitute.

    We've got a sub in English this week because our teacher's home with the flu.

  3. a submarine sandwich.

  4. a submissive in a BDSM sexual encounter or relationship.

  5. a subcontractor.

  6. a sublieutenant.

  7. a subordinate.

  8. a subaltern.

  9. British. an advance against one's wages, especially one granted as a subsistence allowance.

  10. Photography. a substratum.


verb (used without object)

subbed, subbing
  1. to act as a substitute for another.

  2. to act as the submissive partner in a BDSM sexual encounter or relationship.

verb (used with object)

subbed, subbing
  1. Photography. to coat (a film or plate) with a substratum.

SUB 2 American  

abbreviation

  1. supplemental unemployment benefits.


sub- 3 American  
  1. a prefix occurring originally in loanwords from Latin (subject; subtract; subvert; subsidy ); on this model, freely attached to elements of any origin and used with the meaning “under,” “below,” “beneath” (subalpine; substratum ), “slightly,” “imperfectly,” “nearly” (subcolumnar; subtropical ), “secondary,” “subordinate” (subcommittee; subplot ).

  2. Chemistry.

    1. a prefix indicating a basic compound.

      subacetate; subcarbonate; subnitrate.

    2. a prefix indicating that the element is present in a relatively small proportion, i.e., in a low oxidation state.

      subchloride; suboxide.


sub. 4 American  

abbreviation

  1. subordinated.

  2. subscription.

  3. substitute.

  4. suburb.

  5. suburban.

  6. subway.


sub- 1 British  

prefix

  1. situated under or beneath

    subterranean

  2. secondary in rank; subordinate

    subeditor

  3. falling short of; less than or imperfectly

    subarctic

    subhuman

  4. forming a subdivision or subordinate part of a whole

    subcommittee

    1. indicating that a compound contains a relatively small proportion of a specified element

      suboxide

    2. indicating that a salt is basic salt

      subacetate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sub 2 British  
/ sʌb /

noun

  1. short for several words beginning with sub- See subaltern subeditor submarine subordinate subscription substandard substitute substratum

  2. Formal term: subsistence allowanceinformal an advance payment of wages or salary

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (intr) to serve as a substitute

  2. informal (intr) to act as a substitute (for)

  3. informal to grant or receive (an advance payment of wages or salary)

  4. informal (tr) short for subedit

  5. (tr) photog to apply a substratum to (a film or plate base)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
sub. 3 British  

abbreviation

  1. subeditor

  2. subito (in music)

  3. subscription

  4. substitute

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sub– Scientific  
  1. A prefix that means “underneath or lower” (as in subsoil), “a subordinate or secondary part of something else” (as in subphylum.), or “less than completely” (as in subtropical.)


Regionalisms

See hero sandwich.

Etymology

Origin of sub1

By shortening of words prefixed with sub-

Origin of sub-3

< Latin, combining form representing sub (preposition); akin to Greek hypó; hypo-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hughes simply waved off the sub—and became an Olympic hero.

From The Wall Street Journal

All those moving parts for a player who only made it onto the park as a sub fielder while Australia were still mathematically alive, with Smith powerless to stop Sri Lanka and Pathum Nissanka's charge.

From BBC

If I would have got that medal, I probably wouldn't have run sub-10.

From BBC

The quad axel subbed for a single, a quad loop reduced to a double.

From BBC

"The win, that's the most important thing," said James, who received a standing ovation when he was subbed out for son Bronny James, seconds after nabbing his 10th rebound.

From Barron's