Definition

1. Adjective:
   • Being one more than ninety: The cardinal number that is the sum of ninety and one; 91.

Usage

• As a determiner or modifier: Used to indicate quantity, position in a sequence, or as part of a numerical identifier.
  • The temperature reached ninety-one degrees.
  • She lives at ninety-one Maple Street.
• In mathematical or formal contexts: Used to denote the specific integer.
  • Ninety-one is a prime number.

Examples

• Adjective:
  • There are ninety-one pages in the manuscript.
  • He scored ninety-one points in the game.
  • Chapter ninety-one is the final chapter.

Advanced Usage

• In compound numbers: Can be part of larger numbers when combined with "hundred," "thousand," etc.
  • One hundred ninety-one soldiers were deployed. (Note: This is a compound number; the target word "ninety-one" is part of it.)
• As a nominal (noun): The number itself can be referred to as "ninety-one."
  • Ninety-one is written as XCI in Roman numerals.

Variants and Related Words

• 91: The numeric form.
• XCI: The Roman numeral form.
• Ninety-first (91st): The ordinal number form, meaning coming next after the ninetieth in a series.
  • He finished in ninety-first place.

Synonyms

• 91: (The numeral is its own primary synonym in numeric contexts.)

Notes on Meaning

• This word functions almost exclusively as a cardinal number. Its meaning is fixed and numerical. It does not have idiomatic meanings or phrasal verbs.

Adjective

1. being one more than ninety