Word.ws English Dictionary

B2B

B2B is the initialism of back-to-back.

B2B is the initialism of business-to-business.

Meaning of back-to-back

Adjective

back-to-back (not comparable)

  1. Sequential or consecutive.
    • Ruth and Gehrig hit back-to-back home runs.
  2. With one's back facing that of somebody else.
  3. (broadly) Emerging in exactly opposite directions.
    • Seen in laboratory frame the photon-jet pair is not any longer back-to-back and the energy balance is distorted.2009, R. Fiore, Alessandro Papa, Igor Ivanov, Jacques Soffer, Diffraction 2008: International Workshop on Diffraction in High Energy Physics, Amer Inst of Physics
  4. Having a party wall at the rear.
    • We lived in a row of back-to-back houses.
  5. (slang) Synonym of wired (“being a pair in seven card stud with one face up and one face down”).
    Synonyms:
    wired

See all 7 meanings of back-to-back

Meaning of business-to-business

Adjective

business-to-business (comparative more business-to-business, superlative most business-to-business)

  1. Of businesses selling to other businesses.
    Synonyms:
    B2B

Questions about B2B

What is B2B the initialism of?
B2B is the initialism of back-to-back.

Words near B2B in the dictionary

  1. B/U
  2. b/w
  3. B10
  4. B100
  5. B10s
  6. B2B
  7. B2B2C
  8. B2C
  9. B2E
  10. B2G
  11. B2I

Source and license

Adapted from Wiktionary: B2B (page history and authors); back-to-back (page history and authors); business-to-business (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.

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Cite this entry: “B2B.” Word.ws, https://word.ws/b2b. Based on Wiktionary, CC BY-SA 4.0.