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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 safe
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be safe" is correct and can be used in written English.
You can use it as a wish for someone when they are about to do something that requires safety, to remind them to be careful, or as a farewell. For example, you can say "I'll see you later. Be safe!".
✓ Grammatically correct
News & Media
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
60 human-written examples
"You'll be safe here".
News & Media
"Be safe," Hodges said.
News & Media
Would it be safe?
News & Media
He'd be safe for months.
News & Media
Be safe and be seen!
News & Media
@D_BO92 Be safe tonight graduates.
News & Media
Would the children be safe?
News & Media
We'll be safe once again.
News & Media
They had to be safe.
News & Media
You'll be safe, don't worry".
News & Media
Will they be safe?
News & Media
Expert writing Tips
Best practice
Use "be safe" when you want to wish someone well and express concern for their well-being, especially when they are about to embark on a potentially risky activity. It's a versatile phrase suitable for many informal contexts.
Common error
While "be safe" is perfectly acceptable in casual conversation, avoid using it in highly formal or professional settings. Opt for more formal expressions like "take care" or "ensure your safety" in such scenarios.
Source & Trust
77%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be safe" primarily functions as an imperative, expressing a wish or command. It is used to encourage someone to take precautions and avoid harm. Ludwig AI confirms its correctness and common usage in various contexts.
Frequent in
Wiki
44%
News & Media
37%
Science
19%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "be safe" is a grammatically sound and very common expression used to wish someone well and encourage caution, as confirmed by Ludwig. It functions primarily as an imperative, conveying concern for the recipient's well-being. While versatile and widely used, particularly in informal contexts, it's best to consider more formal alternatives like "take care" in professional or highly formal settings. Predominantly featured in Wiki and News & Media sources, this simple phrase serves as a reminder to prioritize safety across numerous situations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Stay safe
This alternative is a direct synonym with slightly more emphasis on maintaining safety over time.
Be careful
This alternative places more emphasis on the act of being cautious.
Keep yourself safe
This version emphasizes personal responsibility for safety.
Take care
This phrase is a more general expression of concern for someone's well-being.
Look after yourself
Similar to "take care", a more general expression of concern.
Safe travels
Similar to "travel safely", but phrased as a noun.
Mind how you go
This is an informal way of telling someone to be careful.
Travel safely
This is specific to wishing someone a safe journey.
Return safely
This is specific to wishing someone a safe return.
Godspeed
This alternative is an older, more formal way of wishing someone well and safe travels.
FAQs
How can I use "be safe" in a sentence?
You can use "be safe" as a parting wish, such as "I'm heading out now, be safe!" or as a general expression of concern: "If you're going out tonight, please be safe."
What's a more formal alternative to "be safe"?
In more formal settings, consider using alternatives like "take care" or "ensure your safety".
When is it appropriate to use "be safe"?
"Be safe" is appropriate in informal settings with friends, family, or acquaintances, especially when they are about to do something that could involve risk.
Is it okay to say "be safely" instead of "be safe"?
No, "be safely" is grammatically incorrect. "Safe" is an adjective in this context, describing the state you wish someone to be in. Using the adverb "safely" would not be appropriate.
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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
77%
Authority and reliability
4.5/5
Expert rating
Real-world application tested