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
sincere
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sincere" is correct and usable in written English.
It can be used to describe genuine feelings, intentions, or expressions, often in the context of communication or emotions. Example: "I want to express my sincere gratitude for your support during this difficult time."
✓ Grammatically correct
News & Media
Opinion
Film
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
"The magazine seems to be entirely sincere in its anarchic expressions of disdain toward organized religion.
News & Media
"Charles's family would first like to thank the public and politicians who have been so warm in their tributes to him and so sincere in their concern for us," the statement said.
News & Media
It's always good to hear a notably sincere MP thinking outside familiar boxes, though it's hard to imagine Nigel Farage enjoying Carswell's thoughts as much as I did.
News & Media
I'd like to use this space to offer a sincere and formal apology.
News & Media
Stewart's first monologue following the attacks on the World Trade Center in 2001 was sincere, touching and incredibly difficult to watch.
News & Media
But then he bungled it all by writing a sincere immigration reform bill.
News & Media
But both Paddick and Zinzan were, I believe, sincere in their own desire for the open admittance and upfront discussion of error.
News & Media
"Not a very sincere one but there are circumstances in which we could do a deal with him – but the referendum has got to be a proper one and not in 2017".
News & Media
The company is paying you a lot of money to sound sincere, and irony is not welcome - even after you've finished the gig.
News & Media
No wonder, then, that Winterbottom and Brand's documentary-cum- state-of-the-nation address The Emperor's New Clothes feels so sincere – it's a howl of rage at a political and economic system that the two evidently find nauseous.
News & Media
In a message to the Irish president, Mary McAleese, the Queen said: "Please will you convey my sincere condolences to his family".
News & Media
Expert writing Tips
Best practice
When offering apologies or condolences, using "sincere" can make your expression of sympathy feel more personal and impactful.
Common error
While "sincere" is appropriate in many situations, avoid overusing it, especially in formal or business communication. Over-reliance on this single adjective can weaken your message. Instead, consider using synonyms like "genuine", "earnest", or "heartfelt" to convey similar meanings with greater nuance and impact.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The adjective "sincere" functions primarily to qualify a noun, indicating that the noun (such as a feeling, intention, or expression) is genuine and free from deceit. Ludwig AI shows that this word adds a layer of authenticity and trustworthiness.
Frequent in
News & Media
43%
Opinion
12%
Film
5%
Less common in
Music
5%
Books
5%
Lifestyle
3%
Ludwig's WRAP-UP
The adjective "sincere" is a versatile term used to convey authenticity and genuineness. Ludwig AI confirms the word is grammatically correct and highly usable. As seen in numerous examples, it appears frequently in News & Media contexts, and is also prevalent in expressing opinions and describing film. The term is considered neutral in formality, making it suitable for various forms of communication. When aiming to convey honesty, genuineness and heartfelt intention, "sincere" is a strong and reliable choice. However, it's wise to vary your vocabulary to avoid repetition, using synonyms like "genuine" or "heartfelt" to maintain a dynamic and impactful tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
genuine
Expresses authenticity and lack of pretense, closely mirroring "sincere".
earnest
Conveys a deep and serious commitment or intention, similar to "sincere".
heartfelt
Emphasizes the emotional depth and genuineness of a feeling or expression, akin to "sincere".
authentic
Highlights the real and true nature of something, reflecting the honesty of "sincere".
honest
Focuses on truthfulness and integrity, overlapping with the meaning of "sincere".
forthright
Implies directness and honesty in communication, sharing the candid aspect of "sincere".
candid
Suggests openness and frankness, akin to the genuine nature of "sincere".
real
Indicates something is genuine and not artificial, mirroring the authenticity of "sincere".
unfeigned
Stresses the absence of pretense or artificiality, similar to the purity of "sincere".
true
Emphasizes the factual and genuine nature of something, reflecting the integrity of "sincere".
FAQs
How can I use "sincere" in a sentence?
What words can I use instead of "sincere"?
Is it better to say "sincere apologies" or "heartfelt apologies"?
Both "sincere apologies" and "heartfelt apologies" are appropriate, but "heartfelt apologies" emphasizes the depth of emotion, while "sincere apologies" focuses on the genuineness of the remorse.
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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested