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
clear as crystal
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "clear as crystal" is correct and commonly used in written English.
It is usually used as a simile to describe something that is extremely clear, precise, or easy to understand. Example: The instructions on the package were as clear as crystal, and I had no trouble assembling the furniture.
✓ Grammatically correct
News & Media
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
18 human-written examples
That made the forest a cathedral clear as crystal like a cunt.
News & Media
Obviously, Finley's mind was clear as crystal when he batted yesterday against Maddux.
News & Media
And there it all was, clear as crystal: what more did you need?
News & Media
In explaining the store's mysteries, the staff is not always as clear as crystal.
News & Media
It comes with a scoop of tingling lemon-verbena ice cream, its flavor as clear as crystal.
News & Media
It was a beautiful little stream, the water pure and clear as crystal, shining with light, but the banks were stacked with dead fish.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Pulling rocks away from the mouth of the hidden cave and taking our courage in both hands, we pulled on our swimming costumes and dived into clear-as-crystal water, almost too hot to bear.
News & Media
At Quiquiriqui the bottles shine as clear as crystals in a Swarovski shop window.
News & Media
Not only does his painting look just like him, but, the grim exasperation in his eyes at having to do the damned painting at all is crystal clear as well.
News & Media
In her Anchorage commentary, Palin made her views crystal clear as well, writing that eliminating her state's CON program "will allow free-market competition and reduce onerous government regulation".
News & Media
That is, until a Pasadena judge, Benjamin Eaton, visited in 1887 and proclaimed: "The water is clear as a crystal and the party found it good to drink". Crystal Lake it has remained ever since.
News & Media
Expert writing Tips
Best practice
When employing the phrase, ensure that it resonates with the overall tone and style of your writing, aligning effectively with the intended audience.
Common error
While effective, "clear as crystal" is a simile that can become trite with overuse. Consider varying your descriptions of clarity with alternatives like "easily understood" or "unambiguous" to maintain freshness in your writing.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "clear as crystal" functions primarily as a simile, a figure of speech that compares one thing to another to make a description more vivid or emphatic. As Ludwig AI states, it describes something extremely clear, precise, or easy to understand.
Frequent in
News & Media
88%
Science
6%
Wiki
6%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The simile "clear as crystal" is a common and effective way to describe something that is easily understood or exceptionally transparent. As Ludwig AI confirms, it is grammatically correct and sees frequent use in various writing contexts. While there are many alternative phrases that can be used, it is important to avoid overusing it to prevent it from becoming a cliché. The frequency of "clear as crystal" in news and media suggests it maintains a neutral register, suitable for broad audiences.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
crystal clear
A more concise and direct way to express the same idea of perfect clarity.
perfectly clear
Highlights the completeness of the clarity.
plain as day
An informal idiom emphasizing obviousness.
easily understood
Focuses on the comprehensibility of something, rather than its visual clarity.
straightforward
Highlights the simplicity and ease of understanding.
lucid
A more formal term for clarity, often used in writing or explanations.
unambiguous
Emphasizes the lack of potential for misinterpretation.
explicit
Emphasizes that something is stated directly and without vagueness.
readily apparent
Suggests that something is obvious and easily noticed.
transparent
Highlights openness and lack of hidden information.
FAQs
How can I use "clear as crystal" in a sentence?
You can use "clear as crystal" to describe anything that is very easy to understand or see. For example, "The instructions were "clear as crystal", so I had no trouble assembling the desk."
What are some alternatives to saying "clear as crystal"?
Some alternatives to "clear as crystal" include "crystal clear", "easily understood", or "unambiguous". The best choice depends on the specific context.
Is "clear as crystal" a cliché?
Yes, "clear as crystal" is a simile that is somewhat cliché. While it's perfectly acceptable to use, consider alternatives to keep your writing fresh and engaging.
What's the difference between "clear as crystal" and "crystal clear"?
"Clear as crystal" is a simile, comparing something to the clarity of crystal. "Crystal clear" is a more direct adjective, but both convey the same meaning.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested