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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.
It is typically used as a brief farewell or as a reminder for someone to stay safe in a potentially dangerous situation. For example: - "I'm heading out for a hike. Be safe!" - "Before you leave for your trip, remember to pack some extra water and be safe." - "I know you're going to be driving late tonight. Please be safe on the road."
✓ Grammatically correct
Wiki
News & Media
Alternative expressions(20)
stay safe
take care
have a safe trip
travel safely
please be careful
Stay safe
Take care
Be careful
Have a safe trip
Travel safely
Look after yourself
Godspeed
look after yourselves
take care of yourselves
protect yourselves
ensure your well-being
ensure your safety
maintain your health
Stay healthy
Attend to your needs
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
"Be safe," Hodges said.
News & Media
Be safe and be seen!
News & Media
"Be safe.
News & Media
Be safe whilst tanning!
Wiki
Be safe with borax.
Wiki
Be safe and smart.
Wiki
Be safe around poisons.
Wiki
Be safe, be smart!
Wiki
Be safe online.
Wiki
Be safe when skateboarding.
Wiki
Be safe about it.
Wiki
Expert writing Tips
Best practice
Use "Be safe" when offering a concise and direct farewell, especially when the recipient is about to undertake a potentially risky activity. For instance, say "Be safe" to a friend heading out for a late-night drive.
Common error
While "Be safe" is appropriate in many contexts, avoid overuse. Vary your farewells with phrases like "Take care", "See you soon", or /s/have+a+good+one to maintain a natural and engaging tone in conversations.
Source & Trust
74%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Be safe" functions primarily as an imperative, offering a concise expression of concern and a wish for someone's well-being. Ludwig examples demonstrate its use as a farewell and a reminder to exercise caution.
Frequent in
Wiki
48%
News & Media
34%
Science
18%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "Be safe" is a grammatically sound and very common imperative phrase used to express concern and wish someone well, as confirmed by Ludwig. Predominantly found in Wiki and News & Media contexts, it carries an informal tone suitable for everyday interactions. For more formal situations, alternatives like "please be careful" might be more appropriate. When used as a farewell, the phrase serves as a concise and caring way to remind someone to take precautions and prioritize their well-being.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Stay safe
Direct synonym emphasizing continued safety.
Take care
A general farewell expressing concern for someone's well-being.
Be careful
Emphasizes caution to avoid potential dangers.
Have a safe trip
Specifically wishes safety during travel.
Travel safely
Focuses on the manner of travel.
Return safely
Highlights the safe return to a destination.
Look after yourself
A more personal and caring expression.
Keep out of harm's way
A more emphatic way of urging someone to be safe.
Mind yourself
An idiom urging caution and self-preservation.
Godspeed
A formal blessing wishing success and safety.
FAQs
When is it appropriate to use "Be safe"?
The phrase "Be safe" is suitable when someone is about to undertake a potentially risky activity, travel, or face uncertain conditions. It's a concise way of wishing them well and expressing concern for their well-being. You can also use "stay safe".
What can I say instead of "Be safe"?
You can use alternatives like "take care", "have a safe trip", or "travel safely" depending on the context.
Is "Be safe" formal or informal?
"Be safe" is generally considered informal but acceptable in most casual and professional settings. It strikes a balance between concern and brevity, making it widely applicable. If you want to be more professional, you can say "please be careful".
Can "Be safe" be used sarcastically?
While primarily used sincerely, "Be safe" can be delivered sarcastically depending on tone and context, implying the opposite if the situation is obviously dangerous or reckless. Please avoid using it sarcastically.
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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
74%
Authority and reliability
4.5/5
Expert rating
Real-world application tested