Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be of age
Grammar usage guide and real-world examplesUSAGE SUMMARY
"be of age" is a correct and usable phrase in written English.
It is usually used to indicate that someone is legally old enough to do something. For example, "In order to vote in this election, you must be of age."
✓ Grammatically correct
News & Media
Encyclopedias
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
17 human-written examples
You will be of age then.
News & Media
You had to be of age.
News & Media
A man is said to be of age "by Michaelmas 1330".
Encyclopedias
Declaring himself to be of age in 1389, Richard announced that he was taking over the government.
Encyclopedias
My daughter is old enough to be eligible to fight in Iraq or Afghanistan; my son will be of age in two years.
News & Media
She may now be "of age", but it's worth remembering that Hutchence, for all her celebrity lineage, has not herself chosen a career in public life.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
"I have three children who are of age," he said.
News & Media
I'm of age to have children.
News & Media
You must be of every age.
News & Media
Be of minimum age.
Wiki
Many were of retirement age.
News & Media
Expert writing Tips
Best practice
Use "be of age" when referring to a specific legal or socially recognized age for certain rights or responsibilities. It adds a formal tone to your writing.
Common error
Avoid using "be of age" interchangeably with "come of age". "Come of age" typically refers to a narrative arc of growing up or maturing, while "be of age" often describes a legal or required age.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be of age" functions as a predicate adjective phrase, indicating a state of having reached a specific age. As Ludwig AI indicates, the phrase signifies legal or socially recognized maturity for specific rights or responsibilities. Examples from Ludwig show its use in contexts such as voting or military service.
Frequent in
News & Media
53%
Wiki
32%
Encyclopedias
12%
Less common in
Science
3%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "be of age" is a common and grammatically correct expression used to denote that someone has reached a specific, usually legally defined, age. As Ludwig AI confirms, it indicates eligibility for certain rights and responsibilities, often carrying a formal tone. While "be of age" is often associated with legal or official contexts, it's crucial not to confuse it with "come of age", which describes a personal growth narrative. The phrase appears frequently in News & Media, Encyclopedias, and Wiki sources. Understanding the nuances of "be of age" ensures clarity and precision in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
reach the legal age
Specifically refers to reaching the age defined by law for certain activities.
meet the age requirement
Highlights the fulfillment of a specific age-related condition.
come of age
Often implies a transition to maturity or a significant developmental stage.
be old enough
A simpler and more direct way to express the idea of meeting a minimum age requirement.
reach adulthood
Focuses on the process of becoming an adult, rather than a specific age.
attain majority
Emphasizes the legal attainment of full rights and responsibilities.
become an adult
A more general term for transitioning into adulthood.
be of legal drinking age
Refers to the specific age for legally consuming alcohol, implies a narrower context.
be of sound mind and age
Adds the condition of mental competence alongside age, implying legal capacity.
be past puberty
Focuses on biological maturity rather than legal or social definitions of age.
FAQs
How is "be of age" used in a sentence?
The phrase "be of age" typically indicates that someone has reached the legally defined age for specific rights or responsibilities. For example, "You must "reach the legal age" to vote in this election".
What's the difference between "be of age" and "coming of age"?
"Be of age" refers to the attainment of a specific legal age. In contrast, "coming of age" usually describes a period of personal growth and maturation.
What can I say instead of "be of age"?
You can use alternatives like "reach adulthood", "attain majority", or "be old enough" depending on the context.
Is it correct to say "is of age" instead of "be of age"?
The correct usage depends on the subject. You would say "He is of age" when referring to a specific person, but "be of age" is the general phrase.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested