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
disappointed in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "disappointed in" is correct and usable in written English.
It is typically used to express feelings of dissatisfaction or letdown regarding a person, situation, or outcome. Example: "I was really disappointed in the way the event was organized; it did not meet my expectations."
✓ 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
"I'm disappointed in my skin".
News & Media
"I am disappointed in him.
News & Media
"I'm disappointed in the police.
News & Media
I'm real disappointed in Congress.
News & Media
People are disappointed in Obama.
News & Media
We're disappointed in the results.
News & Media
I was disappointed in myself".
News & Media
"I'm terribly disappointed in Obama".
News & Media
"I'm disappointed in him".
News & Media
"He's disappointed in himself.
News & Media
Genuinely disappointed in you".
News & Media
Expert writing Tips
Best practice
Use "disappointed in" when expressing a sense of letdown regarding someone's actions, qualities, or performance. For situations or objects, "disappointed with" may be more appropriate.
Common error
Avoid using "disappointed in" when referring to inanimate objects or situations. While "I'm disappointed in the team's performance" is correct, "I'm disappointed with the result" is preferable to "I'm disappointed in the result".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "disappointed in" functions primarily as an adjective phrase expressing a feeling of dissatisfaction or regret toward a person or entity. Ludwig's examples illustrate its use in expressing personal feelings, such as "I'm disappointed in myself", or criticizing others' actions, as in "I'm disappointed in the police".
Frequent in
News & Media
55%
Wiki
15%
Formal & Business
10%
Less common in
Science
10%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "disappointed in" is a common and grammatically correct expression used to convey dissatisfaction or regret, particularly towards people or their actions. As confirmed by Ludwig, it is widely employed in news, media, and various other contexts. When using the phrase, be mindful of the distinction between "disappointed in" and the sometimes interchangeable, sometimes more fitting phrase "disappointed with", and make sure to tailor your expression depending on the object of disappointment. The most authoritative sources that frequently employ "disappointed in" include The New York Times and BBC.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
bitterly disappointed by
This adds emphasis to the feeling of disappointment, indicating a stronger negative emotion.
dissatisfied with
This phrase conveys a general sense of discontent or lack of satisfaction.
let down by
This alternative focuses on the feeling of being failed or unsupported by someone or something.
unhappy with
This option suggests a state of displeasure or discontent regarding a particular situation or person.
frustrated by
This implies a feeling of annoyance and impatience due to obstacles or unmet expectations.
displeased with
This indicates a formal expression of disapproval or dissatisfaction.
deceived by
This phrase highlights the feeling of being misled or betrayed by someone or something.
underwhelmed by
This indicates a lack of excitement or impressiveness regarding something.
chagrined by
This suggests a feeling of embarrassment or humiliation caused by disappointment.
crestfallen about
This indicates a state of sadness and disappointment, often due to a setback or failure.
FAQs
What is the difference between "disappointed in" and "disappointed with"?
"Disappointed in" is typically used to express disappointment in a person or their actions, while "disappointed with" is used for things, situations, or outcomes. For example, "I am "disappointed in him"" versus "I am "disappointed with the result"".
What can I say instead of "disappointed in" to express dissatisfaction?
You can use alternatives such as "let down by", "dissatisfied with", or "unhappy with" depending on the context.
How do I use "disappointed in" correctly in a sentence?
Use "disappointed in" followed by the person or entity you are expressing disappointment towards. For instance, "I'm "disappointed in your behavior"" or "They are "disappointed in the lack of progress"".
Is it grammatically correct to say "I'm disappointed at" instead of "I'm disappointed in"?
While "disappointed at" can be used, it is less common than "disappointed in" or "disappointed with". "Disappointed in" generally relates to people, and "disappointed with" to things, so it's best to reserve "disappointed at" for specific situations where it feels most natural.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested