Word.ws English Dictionary

billy-oh

billy-oh noun: the greatest extent or degree of something; used in comparisons to indicate a superlative.

Noun

billy-oh (uncountable)

  1. (dated, slang) The greatest extent or degree of something; used in comparisons to indicate a superlative.
    • I bashed my thumb with a hammer, and it hurts like billy-oh.
    • "For the wooden fence leading up to the bridge had caught fire, and it was burning like billy oh."1901, Edith Nesbit, The Wouldbegoods, T. Fisher Unwin

Forms of billy-oh

alternative formbillio
alternative formbilly-o
alternative formbillyo

Questions about billy-oh

What does billy-oh mean?
Billy-oh means the greatest extent or degree of something; used in comparisons to indicate a superlative.
What part of speech is billy-oh?
Billy-oh is a noun.

Words near billy-oh in the dictionary

  1. billy-cock
  2. billy-cocks
  3. billy-goat
  4. billy-goats
  5. billy-o
  6. billy-oh
  7. Billybob
  8. billyboy
  9. billyboys
  10. billycan
  11. billycans

Source and license

Adapted from Wiktionary: billy-oh (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:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-billy-oh.ogg.

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