Word.ws English Dictionary

brb

brb is the alternative letter-case form of BRB.

Phrase capitalized: BRB

BRB

  1. (Internet, abbreviation, initialism) Initialism of be right back.
    • @Socrates
      Got off lightly, all things considered. They just want me to drink this hemlock stuff. BRB.
      8.11am, March 22, 399BC2012, Kelvin MacKenzie, Chas Newkey-Burden, The Twitter History of the World, London: John Blake, →ISBN, page 12

Noun capitalized: BRB

BRB (plural BRBs)

  1. (abbreviation, initialism) Initialism of bevelled-rim bowl or bevel-rimmed bowl (“a small, undecorated, mass-produced clay bowl, most commonly from the 4th millennium B.C.”).
  2. (abbreviation, initialism) Initialism of buckling-restrained brace: a structural brace in a building or other structure, designed to allow the building to withstand cyclical lateral loadings.
    • To provide a more reliable source of energy dissipation, the concept of Buckling-Restrained Brace (BRB) was first developed in Japan in the early 1970s. Extensive research was since conducted in Japan and a variety of BRBs have been developed.2014, Wai-Fah Chen, Lian Duan, Bridge Engineering Handbook, page 324
    • Moreover, the outer casing is filled with concrete to ensure BRB components remain separated and prevent composite action. Then, BRB brace is submitted into a concentric braced frame, producing a BRBF system.2018, Farzad Hejazi, Keyhan Karimzadeh, Analysis Procedure for Earthquake Resistant Structures, page 234
  3. (abbreviation, initialism) Initialism of big red button.
  4. (abbreviation, initialism) Initialism of Brazilian rainbow boa

Adjective capitalized: BRB

BRB

  1. (Internet) The state of being away from one's device while meaning to come back soon.
    • Oh, he can't message you right now. He's BRB.

Forms of brb

Phrase
alternative formbrb
Noun
pluralBRBs

Questions about brb

What does brb mean?
Brb means the state of being away from one's device while meaning to come back soon.
What is brb the alternative letter-case form of?
Brb is the alternative letter-case form of BRB.
What part of speech is brb?
Brb can be a phrase, a noun or an adjective.

Words near brb in the dictionary

  1. brazzers
  2. Brazzle
  3. Brazzles
  4. Brañuelas
  5. Brașov
  6. brb
  7. BRBNS
  8. BRBPR
  9. BRBs
  10. BRC
  11. BRCA

Source and license

Adapted from Wiktionary: brb (page history and authors); BRB (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-brb.ogg.

Cite this entry: “brb.” Word.ws, https://word.ws/brb. Based on Wiktionary, CC BY-SA 4.0.