Usually means: Best friend, often used online.
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We found 18 dictionaries that define the word BSF:

General (7 matching dictionaries)
  1. BSF: Collins English Dictionary
  2. BSF: Wiktionary
  3. B.S.F: Infoplease Dictionary
  4. b.s.f, bsf: Dictionary.com
  5. BSF (time service), BSF, Bsf: Wikipedia, the Free Encyclopedia
  6. BSF: Stammtisch Beau Fleuve Acronyms
  7. BSF: TheFreeDictionary.com

Computing (3 matching dictionaries)
  1. BSF: Netlingo
  2. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
  3. SMS Dictionary (No longer online)

Medicine (1 matching dictionary)
  1. BSF: Medical dictionary

Miscellaneous (2 matching dictionaries)
  1. BSF: Acronym Finder
  2. AbbreviationZ (No longer online)

Science (1 matching dictionary)
  1. BSF: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (1 matching dictionary)
  1. BSF: Urban Dictionary

Tech (3 matching dictionaries)
  1. AUTOMOTIVE TERMS (No longer online)
  2. Basics of Space Flight Glossary (No longer online)
  3. BSF: Glossary on Terminology related to Nuts and Bolts

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Definitions from Wiktionary (Bsf)

▸ noun:  Initialism of British Standard Fine, one of three screw thread standards contributing to the Whitworth threads standards set.
▸ noun:  (Internet slang) Abbreviation of best friend. [An especially close and trusted friend.]

Similar:
CRPF, bdr, CRP, battalion, police, army, had, Af, FSB, fsp, more...

Opposite:
fsb, backwards bfs, reverse bfs

▸ Words similar to BSF

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▸ Wikipedia articles (New!)

▸ Popular adjectives describing BSF

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▸ Rhymes of BSF

▸ Invented words related to BSF

Similar:
CRPF, bdr, CRP, battalion, police, army, had, Af, FSB, fsp, more...

Opposite:
fsb, backwards bfs, reverse bfs



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