sixty-five: meaning, definition, pronunciation and examples
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Quick answer
What does “sixty-five” mean?
The cardinal number equivalent to 65, or the age of 65 years old.
Audio
Pronunciation
Definition
Meaning and Definition
The cardinal number equivalent to 65, or the age of 65 years old.
A numeral or age that often functions as a common cultural benchmark (e.g., retirement age, highway speed limit in some areas).
Dialectal Variation
British vs American Usage
Differences
None for the numeral. The age of 65 is a standard retirement age in both cultures, but associated benefits and policies differ.
Connotations
In both, strongly associated with official retirement age and eligibility for state pensions (e.g., UK State Pension, US Social Security).
Frequency
Equally common in both varieties due to its numerical and socio-cultural significance.
Grammar
How to Use “sixty-five” in a Sentence
NUM + of + NP (sixty-five of them)BE + NUM + years oldat + NUM + (at sixty-five)Vocabulary
Collocations
Examples
Examples of “sixty-five” in a Sentence
adjective
British English
- He received his sixty-fifth birthday card from the Queen.
- The motorway has a sixty-five-mile-per-hour limit.
American English
- She is planning her sixty-fifth birthday party.
- Take the sixty-five-dollar upgrade option.
Usage
Meaning in Context
Business
Common in HR contexts regarding retirement plans and pension eligibility.
Academic
Used in demographic studies, statistics, and historical dating.
Everyday
Most frequent in discussions of age, speed, prices, or quantities.
Technical
A numerical value in mathematics, computing, or engineering specifications.
Watch out
Common Mistakes When Using “sixty-five”
- Hyphenation error: writing 'sixty five' without the hyphen when used as a compound adjective before a noun (e.g., a sixty-five-year-old man).
- Using a plural verb incorrectly with the number itself (e.g., 'Sixty-five are coming' is wrong; 'Sixty-five people are coming' is correct).
FAQ
Frequently Asked Questions
Yes, when it is a compound number between twenty-one and ninety-nine, it is always hyphenated (e.g., sixty-five, one hundred and sixty-five).
No, it is a common benchmark in many English-speaking countries (UK, US, Canada, Australia), but retirement ages vary globally and are subject to change due to policy reforms.
Yes, for example: 'Sixty-five is a prime number' or 'A lively sixty-five' (referring to a person).
'Sixty-five' is the cardinal number (65). 'Sixty-fifth' is the ordinal number (65th), used for sequence or position.
The cardinal number equivalent to 65, or the age of 65 years old.
Sixty-five is usually neutral in register.
Sixty-five: in British English it is pronounced /ˌsɪkstiˈfaɪv/, and in American English it is pronounced /ˌsɪkstiˈfaɪv/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Sixty-five and alive”
- “At sixty-five, life begins anew (paraphrased proverb)”
Learning
Memory Aids
Mnemonic
Imagine the classic US highway speed limit sign: 'SPEED LIMIT 65'. It's the number where you can legally cruise on many interstates.
Conceptual Metaphor
A THRESHOLD (crossing into a new phase of life/retirement). A MILESTONE (a significant, numbered point in a journey).
Practice
Quiz
In which sentence is 'sixty-five' used correctly as a compound adjective?