Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The cardinal number that is the product of ten times three Also: Being ten more than twenty

Usage examples (36)
  • thirty days hath November, April, June, and September, February hath twenty-eight alone, And all the rest have thirty-one.
  • I remember when I first heard the term thirty-five years ago when we were attending a
  • At last, after what he called thirty years of slavery, he was able to resign his post of critic.
  • Mr. Morey requested a deposition within thirty days. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.