• Definition for "400th"
    • the ordinal quantity of 500 in counting order
    • View More
  • Sentence for "400th"
    • Celebrating the 400th anniversary of Tomás…
    • View More

400th definition

  • adjective:
    • the ordinal quantity of 500 in counting order
29 votes

How would you define 400th?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!