Word.ws English Dictionary

ob

/ɒb//ɒb/

ob noun: a halfpenny. Also the pronunciation spelling of of.

Noun (1)

ob (plural obs)

  1. (historical) a halfpenny

Noun (2)

ob (plural obs)

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

Noun (3) capitalized: OB

OB (countable and uncountable, plural OBs)

  1. (abbreviation, initialism) Initialism of Olympic best.
  2. (abbreviation, initialism) Initialism of outside broadcast.
  3. (abbreviation, initialism) Initialism of outside broadcasting.
  4. (abbreviation, initialism) Initialism of old boy (a male graduate; also a CB radio operator's term of address for a male).
  5. (abbreviation) 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.1989, Contemporary Obstetrics-gynecology, volume 33, page 200
  6. (abbreviation) Abbreviation of obstetrics.
  7. (abbreviation) Abbreviation of Old Babylonian.

Adjective capitalized: OB

OB (not comparable)

  1. (abbreviation) Abbreviation of obstetric.
  2. (abbreviation, initialism) Initialism of out of bounds.
  3. (abbreviation) Abbreviation of obligatory (as in "ob. link" on Usenet) (see ObLink at c2.com; see also ob-)
  4. (abbreviation) Abbreviation of Old Babylonian.

Proper noun capitalized: Ob

Ob

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

Symbol capitalized: Ob

Ob

  1. The set of objects of a category.

Also used as

ob is also the pronunciation spelling of of.

ob meaning in Marathi, Urdu, Bengali and Telugu

ob in Marathi

ओब

ob in Urdu

او بی

ob in Bengali

ওব

ob in Telugu

ఒబి, ఒబ్
More languagesFewer languages
ob in Malayalam
ഒബി
ob in Kannada
ಒಬಿ
ob in Gujarati
ઓબ, ઓબી
ob in Odia
ଓବି
ob in Nepali
ओब, ओबी

Forms of ob

pluralobs
pluralOBs

Plural of ob: obs

Origin of ob

From Latin ob, abbreviation of obolus.

Abbreviations.

From Russian Обь (Obʹ).

Words formed from ob

Phrases with ob

Words that rhyme with ob

20 more rhymesFewer rhymes

Questions about ob

What does ob mean?
Ob means a halfpenny.
What is ob in Marathi?
Ob in Marathi is ओब. See Ob meaning in Marathi.
What part of speech is ob?
Ob can be a noun, an adjective, a proper noun or a symbol.
How do you pronounce ob?
Ob is pronounced /ɒb/.
What is the plural of ob?
The plural of ob is obs.

Words near ob in the dictionary

  1. Oaxacalifornia
  2. Oaxacan
  3. Oaxacans
  4. Oaxacas
  5. Oaxtepec
  6. ob
  7. OB marker
  8. OB markers
  9. Ob'
  10. ob-
  11. ob-gyn

Source and license

Adapted from Wiktionary: ob (page history and authors); OB (page history and authors); Ob (page history and authors); ob (Marathi, IndicTrans2 machine translation) (model and license); ob (Urdu, IndicTrans2 machine translation) (model and license); ob (Bengali, IndicTrans2 machine translation) (model and license); ob (Telugu, IndicTrans2 machine translation) (model and license); ob (Malayalam, IndicTrans2 machine translation) (model and license); ob (Kannada, IndicTrans2 machine translation) (model and license); ob (Gujarati, IndicTrans2 machine translation) (model and license); ob (Odia, IndicTrans2 machine translation) (model and license); ob (Nepali, IndicTrans2 machine translation) (model and license). 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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-ob.wav.

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