English Reference

Word

sup

US/ˈsəp/

UK/sˈʌp/

Definitions

01a greeting

B2

interj. a very casual way to say 'What's up?' or 'Hello'.

interj. a highly informal greeting derived from the clipping of 'What's up?'.

“He nodded at his friend and just said, 'Sup, man?' as he walked by.”

“The teenagers exchanged a brief 'sup' before returning their focus to their mobile devices, barely breaking their stride.”

Slang · Informal

Synonyms

hellohiwhat's up

02to eat or drink

C2

v. to eat your evening meal or to take small sips of a drink.

v. to consume the evening meal; alternatively, to take liquid into the mouth in small quantities.

“They invited us to sup with them at their cottage by the lake.”

“In the novel, the weary travellers were invited to sup on a simple broth before retiring for the night.”

Literary · Archaic

Usage

Intransitive when meaning to eat supper; transitive when meaning to sip a liquid.

Synonyms

03math limit

C1 · Math

n. the smallest number that is greater than or equal to every number in a set.

n. the least upper bound of a set; the smallest real number that is greater than or equal to every number in the set.

“The professor asked the students to find the sup of the given sequence.”

“In real analysis, proving the existence of the sup is a fundamental exercise for understanding the completeness of the real numbers.”

Technical

Usage

Usually functions as a noun or a mathematical operator.

Synonyms

supremumupper bound

Antonyms

inf

Word family

supInterjectionsupperNoun

Domains

MathematicsPhysics

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/sup

English Reference