ninety–first
Definition of ninety–first
1 : being number 91 in a countable series the ninety-first day — see number table
2 : being one of 91 equal parts into which something is divisible a ninety-first share of money
Explore M-W
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
ninety–first
Definition of ninety–first
1 : number 91 in a countable series
2 : the quotient of a unit divided by 91 : one of 91 equal parts of something
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up ninety–first? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!