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
free
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "free" is correct and usable in written English.
You can use "free" as an adjective meaning without charge or cost, or as an adverb meaning without restraint or without having to pay. Example sentence: "This restaurant offers unlimited refills of soda for free."
✓ Grammatically correct
News & Media
Formal & Business
Science
Alternative expressions(20)
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
59 human-written examples
But in general women should be free to decide what to wear for themselves".
News & Media
"I know that that this means to offer the right hand of friendship to keep the left hand free to deliver the knockout blow to break Britain apart.
News & Media
You can sign up – for free – online here.
News & Media
An increase in free childcare for three- and four-year-olds, to 30 hours a week.
News & Media
So we have created a strong incentive for hospitals in the system not to pick out the people who aren't entitled to free NHS care.
News & Media
Western observers have never deemed any Uzbek presidential or parliamentary election in the post-Soviet era to be free and fair.
News & Media
"What sick bastard would want to provide free health care," it said.
News & Media
Join the Guardian Public Leaders Network free to receive regular emails on the issues at the top of the professional agenda.
News & Media
However, the proposal may still put the UK at odds with the EU over restrictions on free movement of workers.
News & Media
Free UK p&p over £10, online orders only.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
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News & Media
Expert writing Tips
Best practice
When using "free" to mean without cost, ensure the context is clear to avoid confusion with its other meanings, such as "unrestrained" or "liberated".
Common error
Avoid using "free" in contexts where its meaning could be ambiguous. For instance, instead of saying "the software is free", specify "the software is available for free" to clarify that it refers to cost rather than liberty.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "free" is as an adjective, modifying nouns to indicate a lack of cost, restriction, or obligation. As Ludwig AI states, it can also function as an adverb. Examples show it being used to describe things like "free health care" or "free movement".
Frequent in
News & Media
45%
Formal & Business
25%
Science
15%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
The word "free" is a versatile adjective with multiple meanings, primarily denoting the absence of cost, restriction, or obligation. Ludwig AI confirms its use as both an adjective and an adverb. With a "Very common" frequency, it appears across various contexts, particularly in News & Media, Formal & Business, and Science. While generally considered neutral, its meaning should be clarified in potentially ambiguous situations. Alternatives like ""at no cost"" or ""without charge"" can offer greater precision depending on the intended nuance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
at no cost
Replaces the adjective "free" with a prepositional phrase emphasizing the absence of financial burden.
without charge
Emphasizes the lack of payment required, providing a formal alternative to "free".
costless
Directly emphasizes the lack of financial cost, similar to "at no cost" but in adjective form.
gratis
A more formal and somewhat archaic synonym for "free", indicating that something is provided without payment.
available for nothing
More emphatic, stresses that there is no expense incurred.
complimentary
Suggests that something is given as a courtesy or gift, rather than being generally available without cost.
unrestricted
Focuses on the absence of limitations or constraints, rather than the absence of cost.
unfettered
Highlights the lack of restraint or control, often used in contexts of liberty or movement.
without obligation
Shifts the focus from monetary cost to the absence of required duties or commitments.
unpaid
Focuses on the lack of payment in a different context, such as "unpaid leave".
FAQs
How can I use "free" in a sentence?
You can use "free" as an adjective to describe something that doesn't cost money, like "free shipping", or to describe something that is not restricted, like "free speech".
What's the difference between "free" and "complimentary"?
"Free" generally means without cost, while "complimentary" implies that something is given as a courtesy or gift. So, you might get a "complimentary breakfast" at a hotel, meaning it's provided as a perk.
What are some synonyms for "free" when referring to no cost?
Alternatives to "free" in the context of being without cost include "at no cost", "without charge", and "gratis".
Is it correct to say something is "free of charge"?
Yes, "free of charge" is a perfectly acceptable and common way to say that something is provided without any cost.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested