21
Definition
Adjective:
- Being one more than twenty; the number equivalent to the product of three and seven, represented by the symbols 21 or XXI.
Noun:
- The cardinal number that is the sum of twenty and one; the natural number following 20 and preceding 22.
Usage Examples
Adjective:
- She celebrated her 21st birthday with a big party.
- The recipe calls for 21 grams of sugar.
Noun:
- The final score was twenty-one to fourteen.
- "Blackjack" is a card game also known as twenty-one.
Advanced Usage
"To come of age": In many cultures, turning 21 is traditionally associated with reaching legal adulthood, granting full rights and responsibilities.
- In the United States, you can legally purchase alcohol once you turn 21.
"21-gun salute": A ceremonial honor performed by firing cannons or artillery, typically reserved for heads of state or national holidays.
- The visiting dignitary received a 21-gun salute.
Variants and Related Words
Twenty-first (adj): Constituting number twenty-one in a sequence; the ordinal form.
- He finished in twenty-first place in the race.
Twenty-one (n): The name of the number; also a common name for the card game Blackjack.
- Let's play a hand of twenty-one.
Synonyms
- XXI: The Roman numeral representation.
- Score and one: An archaic or poetic way to refer to the number (a "score" is twenty).
Related Phrases
"The 21st century": Refers to the current century, the years 2001–2100.
- Technology has advanced rapidly in the 21st century.
"21 questions": A popular parlour game where one person answers 21 questions from others.
- We played 21 questions to get to know each other better.
Related Idioms
- "Catch-21": A less common variant of "Catch-22," implying a no-win situation or a paradoxical rule. (Note: This is a non-standard, creative adaptation based on the famous idiom).
- It was a Catch-21; I needed experience to get the job, but I needed the job to get experience.
Adjective
-
being one more than twenty
Noun
-
the cardinal number that is the sum of twenty and one
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