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• sup
  sup

  interjection

  wassup.
• sup-
  sup-

  variant of sub- before p:
• sup.
  sup.

  abbreviation

  superior.

sup

¹ American  

[suhp] / sʌp /

Or 'sup

interjection

Slang.

1. wassup.

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sup ² American  

[suhp] / sʌp /

verb (used without object)

supped, supping

1. to eat the evening meal; have supper.

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verb (used with object)

supped, supping

1. to provide with or entertain at supper.

sup ³ American  

[suhp] / sʌp /

verb (used with object)

supped, supping

1. to take (liquid food, or any liquid) into the mouth in small quantities, as from a spoon or cup; sip.

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verb (used without object)

supped, supping

1. to take liquid into the mouth in small quantities, as by spoonfuls or sips.

noun

1. a mouthful or small portion of drink or liquid food; sip.

sup ⁴ American  

[soop] / sup /

noun

Mathematics.

1. supremum. See least upper bound.

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sup- ⁵ American  

1. variant of sub- before p:

   suppose.

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sup. ⁶ American  

abbreviation

1. superior.

2. superlative.

3. supine.

4. supplement.

5. supplementary.

6. supply.

7. supra.

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sup ¹ British  

/ sʌp /

verb

1. to partake of (liquid) by swallowing a little at a time

2. dialect to drink

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noun

1. a sip

sup. ² British  

abbreviation

1. above

2. superior

3. grammar superlative

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sup ³ British  

/ sʌp /

verb

1. archaic (intr) to have supper

2. obsolete (tr) to provide with supper

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Etymology

Origin of sup¹

First recorded in 1985–90; by shortening

Origin of sup²

First recorded in 1250–1300; Middle English s(o)upen, soupe, from Old French souper “to take supper,” from Germanic; compare Old English sūpan “to swallow, taste, sip”; see sup ³

Origin of sup³

First recorded before 900; Middle English s(o)uppen, soup(p)e, Old English sūpan; cognate with German saufen “to drink”; cf. sip, sop, soup, sup ²

Origin of sup⁴

First recorded in 1940–45; by shortening

Explanation

To sup is to eat slowly, by spoonfuls. When you eat soup, you probably sup it. You can really only sup soft foods and liquids, like oatmeal and milkshakes and miso soup. A sick person taking gingerly spoons of Jello into his mouth can be said to sup, and so can a hesitant baby eating tiny bites of pureed carrots. Sup essentially means "sip," and its root is the Old English sūpan, "to sip or swallow."

Example Sentences

At 08:56, kneeling on her SUP, Lloyd was the first to descend the fish pass in the centre of the weir and was swept quickly downriver.

From BBC • Oct. 29, 2025

Sarah Perkins, from Cardiff, has been an SUP racer for eight years, having windsurfed before then.

From BBC • Aug. 23, 2024

Children cool off in a fountain in Moscow in warm weather as people gather for the annual SUP board festival in St. Petersburg.

From Seattle Times • Aug. 11, 2023

So when I signed up for a nighttime SUP Glow tour with Pirate Coast Paddle Co. in Newport Beach, I promised myself I’d do my darnedest to stay upright.

From Los Angeles Times • Jun. 24, 2022

"No, no," cried Fisher, "he sha'n't SUP with us."

From The Parent's Assistant by Edgeworth, Maria