Definition

1. Noun:
   • The cardinal number that is the sum of fourteen and one: The natural number following 14 and preceding 16. It is represented by the Arabic numeral 15 or the Roman numeral XV.
2. Adjective:
   • Being one more than fourteen: Describing a quantity of exactly fifteen items or units.

Usage Examples

• Noun:
  • The number 15 is written as "fifteen".
  • She scored 15 out of 20 on the quiz.
• Adjective:
  • There are fifteen students in the classroom.
  • He will be fifteen years old next month.

Advanced Usage

• As a symbolic representation: The number 15 can symbolize specific concepts, such as a quinceañera (a celebration of a girl's 15th birthday in some Latin American cultures) or a rugby team (which has 15 players on the field).
  • In rugby union, a full team consists of fifteen players.

Variants and Related Words

• Fifteenth (adj, n): Constituting number fifteen in a sequence; the item in position number 15.
  • This is the fifteenth time I've called you. (Adjective)
  • Her birthday is on the fifteenth of May. (Noun)
• Fifteenfold (adj, adv): Fifteen times as great or as numerous; by fifteen times.
  • A fifteenfold increase. (Adjective)

Synonyms

• Cardinal number: A number used in counting (e.g., one, two, three... fifteen).
• XV: The Roman numeral for 15.

Related Phrases and Idioms

• Fifteen minutes of fame: A short period of widespread publicity or attention, based on Andy Warhol's statement, "In the future, everyone will be world-famous for 15 minutes."
  • The viral video gave him his fifteen minutes of fame.
• Ten-fifteen (10-15): In some law enforcement codes (e.g., the ten-code), this can mean "prisoner in custody," though codes vary by region.
  • The officer radioed, "We have a 10-15."

Adjective

1. being one more than fourteen

Noun

1. the cardinal number that is the sum of fourteen and one