OB

See also: ob, ob., Ob, ÖB, ob-, and Ob.

English

Noun

OB (countable and uncountable, plural OBs)

  1. Initialism of Olympic best.
  2. old boy (male graduate)

Abbreviation

OB

  1. obstetrician
  2. obstetrics
  3. obstetric
  4. obligatory (as in "ob. link" on Usenet) (see ObLink at c2.com)
  5. (golf) out of bounds

Derived terms

Anagrams

Japanese

Initialism

OB

  1. male graduate (old boy)
  • OG ("old girl")

Synonyms
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