Word.ws English Dictionary

O'Neill

UK/əʊˈniːl/US/oʊˈnil/

O'Neill proper noun: a surname from Irish.

Proper noun

O'Neill

  1. A surname from Irish.
  2. A city, the county seat of Holt County, Nebraska, United States.

Origin of O'Neill

Anglicisation of an Irish surname meaning "descendant of Niall".

Words formed from O'Neill

Phrases with O'Neill

Words that rhyme with O'Neill

48 more rhymesFewer rhymes

Questions about O'Neill

What does O'Neill mean?
O'Neill means a surname from Irish.
What part of speech is O'Neill?
O'Neill is a proper noun.
How do you pronounce O'Neill?
O'Neill is pronounced /əʊˈniːl/ (UK).

Words near O'Neill in the dictionary

  1. O'Meara
  2. O'Mearas
  3. o'n'ry
  4. O'Neal
  5. O'Neil
  6. O'Neill
  7. O'Neill colonies
  8. O'Neill colony
  9. O'Neill cylinder
  10. O'Neill cylinders
  11. O'Neillian

Source and license

Adapted from Wiktionary: O'Neill (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.

Last updated:

Cite this entry: “O'Neill.” Word.ws, https://word.ws/o%27neill. Based on Wiktionary, CC BY-SA 4.0.