Word.ws English Dictionary

twenty-niner

twenty-niner noun: a mountain bike with wheels of approximately 29 inches in diameter.

Noun

twenty-niner (plural twenty-niners)

  1. A mountain bike with wheels of approximately 29 inches in diameter.

Forms of twenty-niner

pluraltwenty-niners
alternative form29er

Origin of twenty-niner

From twenty-nine + -er.

Questions about twenty-niner

What does twenty-niner mean?
Twenty-niner means a mountain bike with wheels of approximately 29 inches in diameter.
What part of speech is twenty-niner?
Twenty-niner is a noun.
What is the plural of twenty-niner?
The plural of twenty-niner is twenty-niners.

Words near twenty-niner in the dictionary

  1. twenty-fourths
  2. twenty-minute egg
  3. twenty-minute eggs
  4. twenty-nail dystrophy
  5. twenty-nine
  6. twenty-niner
  7. twenty-niners
  8. twenty-ninth
  9. twenty-ninths
  10. twenty-one
  11. twenty-one hundred

Source and license

Adapted from Wiktionary: twenty-niner (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: “twenty-niner.” Word.ws, https://word.ws/twenty-niner. Based on Wiktionary, CC BY-SA 4.0.