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
belief in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"belief in" is a correct and usable phrase in written English.
You can use it to signify the acceptance of an idea, opinion, or principle, as in the example sentence: "His belief in human rights is unwavering."
✓ Grammatically correct
News & Media
Academia
Encyclopedias
Wiki
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
A belief in ideas.
News & Media
A belief in brilliance".
News & Media
Discusses Gibson's belief in "signs".
News & Media
Our belief in him has not wavered".
News & Media
Belief in the unprovable.
"She had a strong belief in education.
News & Media
His belief in himself was untouched.
News & Media
I always have belief in my team.
News & Media
"We have belief in this squad".
News & Media
Good chemistry and belief in your system.
News & Media
This requires belief in the Am.
News & Media
Expert writing Tips
Best practice
When using "belief in", ensure the object of belief is clearly defined. For example, instead of "He has belief", specify "He has "belief in" the project".
Common error
Don't use "belief in" without a clear object. Saying "There is a belief in" is less effective than "There is a "belief in" the community's ability to overcome challenges".
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "belief in" functions primarily as a noun phrase, often acting as the subject or object of a sentence. It signifies the acceptance of the truth or existence of something, supported by Ludwig examples demonstrating its usage across various contexts.
Frequent in
News & Media
46%
Academia
22%
Wiki
5%
Less common in
Encyclopedias
5%
Science
16%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "belief in" is a versatile and grammatically sound expression used to convey trust, confidence, or acceptance of something. As Ludwig AI confirms, it's correct and appropriate in various contexts. It appears most frequently in news and media, academic writing, and across various types of content, indicating its widespread applicability. For alternative phrasing, consider options like "faith in", "confidence in", or "trust in" to add nuance to your writing. When using "belief in", be sure to clearly define the object of belief to avoid vague or ambiguous statements.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
faith in
Emphasizes trust and confidence, particularly in something not necessarily based on proof.
confidence in
Highlights assurance and certainty regarding someone or something's abilities or qualities.
trust in
Focuses on reliance and dependability.
conviction in
Stresses a strong, firmly held opinion or belief.
acceptance of
Implies agreement with or approval of an idea or situation.
reliance on
Highlights dependence and dependence on something.
allegiance to
Suggests loyalty and commitment to a person, group, or cause.
devotion to
Emphasizes strong love, loyalty, or enthusiasm for a person or activity.
affirmation of
Focuses on a declaration or confirmation of something's truth or validity.
adherence to
Implies sticking firmly to a principle, belief, or practice.
FAQs
How do I use "belief in" in a sentence?
Use "belief in" to express trust or confidence in something. For instance, "Her "belief in" herself helped her succeed".
What are some alternatives to "belief in"?
Alternatives include "faith in", "confidence in", or "trust in", depending on the nuance you want to convey.
Is it correct to say "believe in" instead of "belief in"?
"Believe in" is a verb phrase, while "belief in" is a noun phrase. Use "believe in" when describing the act of believing (e.g., "I believe in miracles") and "belief in" when referring to the concept of having a belief (e.g., "My "belief in" miracles is strong").
What's the difference between "belief in" and "faith in"?
While similar, "belief in" generally refers to accepting something as true, whereas "faith in" often implies a stronger, more spiritual or emotional trust, especially when there is a lack of concrete evidence.
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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested