Sub definition

sŭb
To put or use (a person or thing) as a substitute.

The coach subbed fresh players toward the end of the game. The cook subbed margarine for butter.

verb
15
7
(Internet, informal) Short for subtitle.
noun
7
2
Subaltern.
abbreviation
13
9
noun
9
5
To act as a substitute.

A graduate student subbing for the regular teacher.

verb
8
6
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noun
7
6
(UK, informal, often in plural) Short for subscription: a payment made for membership of a club, etc.
noun
4
3
(informal) A submissive in BDSM practices.
noun
4
3
Sub is short for submarine, subscription, substitute or a submarine sandwich.

An example of a sub is an underwater boat used by the Navy.

An example of a sub is your annual subscription to Glamour magazine.

An example of a sub is the teacher that comes in when the regular teacher is out sick.

An example of a sub is the sandwich you can get at a lunch take-out counter.

noun
2
2
Used in place of a character that is known to be invalid, i.e., in error. Also used to indicate a character used in place of one that cannot be represented on a given device, e.g., e may be used in place of (epsilon) or d may be used in place of (delta). 14.
2
2
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noun
2
2
A submarine sandwich"”a sandwich made on a long bun.

We can get subs at that deli.

noun
2
2
(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.

noun
2
2
(UK, informal) A substitute in a football (soccer) game: someone who comes on in place of another player part way through the game.
noun
2
2
(colloquial, dated) A subaltern.
noun
2
2
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A substitute.
noun
8
9
Below; under; beneath.

Subsoil.

prefix
7
8
(nautical) A submarine.
noun
5
6
noun
5
6
To be a substitute (for someone)
verb
5
6
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To a lesser degree than, somewhat, slightly.

Subhuman, subaquatic.

affix
5
6
Subaltern.
abbreviation
4
5
To sub is to substitute, to use someone or something instead of the person or object normally used.

An example of sub is to put in a different player when a player gets injured.

verb
2
3
(colloquial, dated) A subordinate.
noun
2
3
(computing, programming) A subroutine (sometimes one that does not return a value, as distinguished from a function, which does).
noun
1
2
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(US, informal) To substitute for.
verb
1
2
(US, informal) To work as a substitute teacher, especially in primary and secondary education.
verb
1
2
(UK, informal, soccer) 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.

verb
1
2
Suburb.
abbreviation
0
1
Suburban.
abbreviation
0
1
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Less than completely or normally; nearly; almost.

Subhuman.

prefix
0
1
Subordinate; secondary.

Subplot.

prefix
0
1
Subdivision.

Subregion.

prefix
0
1
So as to form a division into smaller or less important parts.

Subdivide.

affix
0
1
Forming such a division.

Subspecies.

affix
0
1
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Near, bordering on.

Subalpine.

affix
0
1
Nearly, almost.

Subteen.

affix
0
1
With less than the normal amount of (the specified substance)

Suboxide.

affix
0
1
Basic.

Subcarbonate.

affix
0
1
(UK, informal, soccer) 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.

verb
0
1
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(UK) To perform the work of a subeditor or copy editor; to subedit.
verb
0
1
(UK, slang) To lend.
verb
0
1
(slang, intransitive) To subscribe.
verb
0
1
(BDSM) To take a submissive role.
verb
0
1
preposition
0
1
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To coat with a layer of adhering material; to planarize by means of such a coating.
verb
0
1
(microscopy) To prepare (a slide) with an layer of transparent substance to support and/or fix the sample.
verb
0
1
Bus, bus.
anagrams
0
1
anagrams
0
1
anagrams
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1
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Substitute(s)
abbreviation
3
5
Under, beneath, below, from beneath.

Submarine, subsolar.

affix
3
5
Lower in rank, position, or importance than; inferior or subordinate to.

Subaltern, subhead.

affix
3
5
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. )
3
5
A submarine sandwich.
noun
6
9
Suburb(an)
abbreviation
2
5

Other Word Forms

Noun

Singular:
sub
Plural:
subs

Origin of sub

  • < L sub, under, below: see up

    From Webster's New World College Dictionary, 5th Edition

  • Middle English from Latin from sub under upo in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Shortened form of any of various words beginning sub-, such as submarine, subroutine, substitute, subscription.

    From Wiktionary

  • The sandwich is so called because the bun's cylindrical shape resembles the shape of a submarine.

    From Wiktionary

  • From the Latin sub, meaning under

    From Wiktionary

  • From Latin sub.

    From Wiktionary