Ludwig is an AI-powered English writing assistant that helps you find example sentences, check grammar, and improve your writing using reliable sources from reputable publications.

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Ludwig offers both free and premium plans. The free plan provides basic access to our features, while the premium plan unlocks advanced tools, unlimited searches, and additional writing assistance features.

How does Ludwig help with English learning?

Ludwig provides contextual example sentences from reliable sources like The New York Times, BBC, and academic publications, helping you understand how words and phrases are used in real-world contexts. This improves both writing fluency and comprehension skills.

Ludwig is trusted by students, teachers, researchers, and professionals worldwide. It's used by top universities including MIT, Stanford, Harvard, and Oxford, as well as professionals in tech companies like Adobe.

What makes Ludwig different from other writing tools?

Ludwig focuses on providing real example sentences from authoritative sources, not just grammar checking. This contextual approach helps users understand not just what's correct, but how language is actually used by native speakers and professional writers.

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

As old as
Grammar usage guide and real-world examples

USAGE SUMMARY

"as old as" is correct and usable in written English
You can use it to compare two objects or events with different ages. For example, "I've known him for as long as I can remember; he's as old as my dad!"

✓ Grammatically correct

News & Media

Academia

Science

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

60 human-written examples

In fact, it's as old as civilization.

News & Media

Huffington Post

"I'm as old as NATO.

News & Media

The New York Times

Tale as old as time".

News & Media

The New York Times

Persecution is as old as man.

News & Media

The New York Times - Books

Tiling is as old as Midwestern farming.

News & Media

The New York Times

A black Labrador as old as Methuselah.

News & Media

Independent

The type is as old as Hollywood.

News & Media

The New Yorker

Exorcism is as old as Christianity itself.

News & Media

The New York Times

Abortion is almost as old as childbirth.

News & Media

The New Yorker

Crime is as old as humanity, as old as storytelling.

Academia

Stanford University

It's as old as time.

News & Media

The Guardian - Opinion

Expert writing Tips

✓ Best practice

Use "as old as" to draw comparisons that highlight the age or longevity of something in relation to another, making your descriptions more vivid and relatable.

⚠ Common error

Avoid using "as old as" when comparing qualities other than age; ensure the comparison is relevant to the context and accurately reflects the similarity in age or duration. Ensure the thing you're comparing is actually old and not some other quality.

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Linguistic Context

The phrase "as old as" functions as a comparative correlative, linking two elements to indicate a similarity in age. It creates a relationship showing that something is equally aged in relation to another point of reference. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

✓ Frequent in

News & Media

49%

Academia

25%

Science

10%

⚠ Less common in

Formal & Business

Encyclopedias

Wiki

Ludwig's WRAP-UP

The phrase "as old as" is a common and grammatically sound comparative phrase used to indicate that two subjects share a similar age or duration. As Ludwig AI confirms, it is appropriate for use in a wide array of contexts. It appears most frequently in news and media, academic writing, and scientific publications, demonstrating its versatility and broad applicability. When using "as old as", ensure that you are comparing actual ages or durations, and avoid misusing it for other qualities. Consider alternatives like "just as ancient as" or "equally as old as" for slight variations in emphasis. With its widespread usage and clear meaning, "as old as" remains a reliable tool for conveying age comparisons effectively.

Alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

equally as old as

Highlights the equality in age, making the comparison more direct and balanced.

nearly as old as

Indicates that something is close in age but not exactly the same, introducing a slight difference.

just as ancient as

Emphasizes the ancient nature of the comparison, adding a sense of historical depth.

comparable in age to

Focuses on the comparability of age, suitable for more formal contexts.

almost as aged as

Emphasizes the state of being aged, suitable when discussing processes or things that mature.

of similar vintage to

Uses "vintage" to imply age and quality, often used for objects or ideas.

More alternative expressions(6)

as ancient as

as elderly as

as longstanding as

as archaic as

as obsolete as

as nostalgic as

FAQs

How can I use "as old as" in a sentence?

You can use "as old as" to compare the age of two things, like in "This tradition is "as old as time"" or "The building is "as old as the city" itself".

What phrases are similar to "as old as"?

Similar phrases include "just as ancient as", "equally as old as", or "comparable in age to". The choice depends on the specific context and nuance you want to convey.

Is it correct to say "as old as than"?

No, it is incorrect. The correct phrase is "as old as". The word "than" is used in comparative sentences with "older", not with the "as...as" structure.

What’s the difference between "as old as" and "older than"?

"As old as" indicates that two things have the same age or are of similar age. "Older than" indicates that one thing is of greater age than another. For example, "He is "as old as" his brother" means they are the same age, while "He is older than his brother" means he is the elder of the two.

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Table of contents

Usage summary

Human-verified examples

Expert writing tips

Linguistic context

Ludwig's wrap-up

Alternative expressions

FAQs

Source & Trust

91%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences:

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As old asGrammar usage guide and real-world examples

As old as
Grammar usage guide and real-world examples