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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
had a interaction
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had a interaction" is not correct in English.
It should be "had an interaction." You can use the corrected phrase when referring to a specific instance of engaging with someone or something in a communicative or social context. Example: "Yesterday, I had an interaction with a customer who had some questions about our services."
⚠ May contain grammatical issues
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
I got the sense he didn't want the others to know we had an interaction going on".
News & Media
Now, try to name every other person you had an interaction with throughout the day.
Academia
This increase had an interaction effect with increasing the distance between vegetation and the houses.
The compatibility between the polymer and surfactant in the SP system had an interaction problem.
Have you ever had an interaction that made you reevaluate a notion that you have always believed to be true?
News & Media
We all understand the common habit of personal googling to learn about people we haven't met (or learn more about them once we've had an interaction).
News & Media
He told me that he was a gas station and had an interaction with a dog then saw that dog get hit by a car.
News & Media
Albuminuria and inflammation had an interaction effect on disability.
Science
Furthermore, no hypolipidemic agent or antihypertensive medication had an interaction with group assignment in predicting mortality.
Science
All patients had an interaction session with trained psychosocial advisors to improve adherence to prescribed therapies.
Science
The three other QTL which had an interaction with diet, QTL1, QTL45 and QTL84 were detected for ESshape.
Expert writing Tips
Best practice
Always use the correct article "an" before "interaction". The proper phrase is "had an interaction". Using the correct grammar ensures clarity and professionalism in your writing.
Common error
Ensure you include the article "an" before the word "interaction" when using the phrase "had an interaction". Omitting "an" results in grammatically incorrect English and can detract from the clarity of your writing.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase is intended to describe a communicative or interactive event. However, the grammatically incorrect form obscures the intended meaning. According to Ludwig, the correct phrasing is "had an interaction".
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
The phrase "had a interaction" is grammatically incorrect; the correct form is "had an interaction". This correction is crucial for clear and professional communication. Ludwig emphasizes this correction. Alternative phrases, such as "had a conversation" or "engaged with someone", can also be used depending on the specific context. It's essential to include the article "an" to ensure grammatical accuracy and clarity in your writing. The absence of examples and the "Incorrect" grammatical status from Ludwig highlight the importance of using the corrected form.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Had an interaction
Corrects the grammatical error by adding "an" before "interaction".
Interacted with someone
Uses the verb form of interaction, "interacted", to describe the action.
Had a conversation
Replaces "interaction" with the more common term "conversation", implying a verbal exchange.
Had a discussion
Similar to "had a conversation" but suggests a more formal or structured exchange.
Experienced an exchange
Uses "exchange" to broaden the meaning beyond verbal communication, including actions or feelings.
Shared an exchange
Focuses on the mutual sharing aspect of an interaction.
Engaged with someone
Focuses on the act of engaging, implying active participation in an interaction.
Communicated with someone
Highlights the act of communication, suitable when the exchange of information is central.
Had contact with
Emphasizes having some form of contact, whether physical or digital.
Had dealings with
Suggests a more formal or business-related interaction.
FAQs
What is the correct way to say "had a interaction"?
The correct way to phrase it is "had an interaction". The article "an" is necessary before the noun "interaction".
Is "had a interaction" grammatically correct?
No, "had a interaction" is grammatically incorrect. The correct form is "had an interaction". The indefinite article 'an' should be used before 'interaction' because it starts with a vowel sound.
What are some alternatives to "had a interaction"?
Since "had a interaction" is grammatically incorrect, use "had an interaction" instead. Other alternatives include "had a conversation" or "had a discussion".
What's the difference between "had a interaction" and "had an interaction"?
"Had a interaction" is grammatically incorrect. The correct phrase is "had an interaction". The phrase "had an interaction" uses the correct indefinite article "an" before the word "interaction" because it starts with a vowel sound.
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested