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ob

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ob¹

  • /ɒb/

Rhymes with -ɒb

Where it comes from

From Latin ob, abbreviation of obolus.

noun obs

  1. historical a halfpenny

ob²

  • /ɒb/

Rhymes with -ɒb

preposition

  1. pronunciation spelling Pronunciation spelling of of. I'b gob a cold, ob course.

ob³

  • /ɒb/

Rhymes with -ɒb

Where it comes from

Abbreviations.

noun obs

  1. archaic an objection
  2. the obese gene
  3. observation

Ob⁴

  • /ɒb/ UK
  • /ɑb/ US

Rhymes with -ɒb

Where it comes from

From Russian Обь (Obʹ).

proper noun

  1. A river in Russia; the westernmost of the three great Siberian rivers.

Ob⁵

  • /ɒb/ UK
  • /ɑb/ US

Rhymes with -ɒb

symbol

  1. The set of objects of a category.

OB⁶

noun OBs

  1. abbreviation, countable, initialism, uncountable Initialism of Olympic best
  2. abbreviation, countable, initialism, uncountable Initialism of outside broadcast
  3. abbreviation, countable, initialism, uncountable Initialism of outside broadcasting
  4. abbreviation, countable, initialism, uncountable Initialism of old boy (a male graduate; also a CB radio operator's term of address for a male).
  5. abbreviation, countable, uncountable Abbreviation of obstetrician One woman in ten is at risk — yet one-third of all women over 50 have never had a mammo! By making Pap tests routine, OBs and GYNs have saved many lives.
  6. abbreviation, countable, uncountable Abbreviation of obstetrics
  7. abbreviation, countable, uncountable Abbreviation of Old Babylonian

adjective

  1. abbreviation, not comparable Abbreviation of obstetric
  2. abbreviation, initialism, not comparable Initialism of out of bounds
  3. abbreviation, not comparable Abbreviation of obligatory (as in "ob. link" on Usenet) (see ObLink at c2.com; see also ob-)
  4. abbreviation, not comparable Abbreviation of Old Babylonian

Thesaurus

Closest in meaning: ob river, gyn, gb, tauber, ject, because, owing to, due to, for, through, from, thanks to, considering, doc, amnio, amnios

Translations

Every language

name river in Russia

EspañolObi, Ob
한국어오비 강
日本語オビ川 Obi-gawa
中文鄂畢河 /鄂毕河 Èbì hé
हिन्दीऑब ŏb
PortuguêsOb
DeutschOb
ΕλληνικάΟμπ Omp
РусскийОбь Obʹ
العربيةأُوبِي ʔūbī
עבריתאוב

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Cite this
MLA

"ob." Wiktionary, via Micwyn, micwyn.com/word/ob. Accessed 6 Nov. 2026.

APA

ob. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ob

Chicago

"ob." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ob.

BibTeX
@misc{ob_2026,
  title = {ob},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ob},
  urldate = {2026-11-06}
}