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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
on first contact
Grammar usage guide and real-world examplesUSAGE SUMMARY
"on first contact" is a valid phrase in written English.
It is usually used to describe an initial meeting or interaction between two people or groups. For example, you might say, "The two diplomats were cordial on first contact".
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
at the outset
initially
upon initial meeting
at first glance
at the beginning
in the first instance
at the first encounter
from the get-go
from the start
on first base
on first inspection
on first admission
on first glance
on first screen
on first sight
on first time
on first ballot
on first date
on first entry
on first draft
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
25 human-written examples
"The corps deserted or joined the insurgency on first contact," he recalled.
News & Media
His opinion had been forged on first contact, and confirmed on that third evening.
News & Media
Certain chemicals, such as lime or nitric acid, produce inflammation in all persons on first contact.
Encyclopedias
The Australian flags, thousands of them handed out in Anzac Park, were destroyed on first contact with moisture.
News & Media
On first contact, you might register to those with half-decent manners as "a prematurely bald man".
News & Media
Plus there is at junior level a large coaching lobby that believes in ironing out and regularising on first contact with a young fast bowler.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
On third contact, at 5.37am BST, Venus will beginto leave the sun, and the transit will be over on fourth contact at 5.55am BST.
News & Media
Twenty minutes later, on second contact, the planet will be fully silhouetted.
News & Media
On third contact, at 5.37am BST (12.37am ET), Venus will begin to leave the sun, and the transit will be over on fourth contact at 5.55am BST (12.55am ET).
News & Media
A minimum of 12 call-backs were placed to unanswered numbers and all households who refused to participate on the first contact were re-contacted and asked again to participate.
Science
Disney's take on a first contact with aliens story is one of the most adorable.
News & Media
Expert writing Tips
Best practice
When describing interactions, use "on first contact" to emphasize the immediate impression or initial actions that occur during the first meeting or communication. For example: "The client seemed enthusiastic on first contact."
Common error
Avoid assuming long-term outcomes based solely on "on first contact" impressions. First interactions can be misleading, and further engagement is often necessary to form accurate assessments.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on first contact" functions as a prepositional phrase, often modifying a verb or noun to indicate the timing or circumstances surrounding an initial interaction. As Ludwig examples illustrate, it can describe impressions, reactions, or procedures.
Frequent in
News & Media
32%
Science
32%
Wiki
12%
Less common in
Encyclopedias
4%
Academia
4%
Formal & Business
4%
Ludwig's WRAP-UP
In summary, "on first contact" is a grammatically correct prepositional phrase used to describe initial interactions or meetings. According to Ludwig, its primary function is to specify timing and circumstances, serving to contextualize immediate impressions or actions. The phrase appears frequently in news, scientific, and wiki sources, suggesting a broad applicability across registers. While the phrase is generally well-regarded, it's important to remember, as also underlined by Ludwig, that relying solely on initial interactions can be misleading. Related phrases include "at the outset" and "initially", offering alternative ways to express the concept of a beginning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
upon initial meeting
Replaces "first contact" with "initial meeting", emphasizing the act of meeting.
at the outset
Focuses on the beginning or commencement of something.
at the beginning
Highlights the starting point or early phase of an interaction.
upon acquaintance
Similar to initial meeting but emphasizes becoming familiar.
in the first instance
Stresses the priority of the initial action or event.
at the first encounter
Replaces "contact" with "encounter", emphasizing the event of meeting.
on our first meeting
Specifies the event as "our first meeting", adding a personal element.
from the get-go
An informal way to express the beginning of an interaction.
from the start
Emphasizes the initial phase or starting point of an event.
initially
A simple adverb denoting the beginning or early stage.
FAQs
How can I use "on first contact" in a sentence?
You can use "on first contact" to describe initial impressions or actions. For example: "The customer service representative was helpful "on first contact"." or "The material ignited "on first contact" with the acid".
What are some alternatives to "on first contact"?
Some alternatives include "at the outset", "initially", or "upon initial meeting". The best choice depends on the specific context.
Is it ever incorrect to use "on first contact"?
While grammatically correct, using "on first contact" might be inappropriate if the context doesn't genuinely involve an initial interaction. For example, if discussing ongoing events, alternatives like "during the process" might be more suitable.
What's the difference between "on first contact" and "at first glance"?
"On first contact" generally refers to an initial interaction or meeting, while "at first glance" refers to an initial visual assessment or impression. The former implies active engagement, whereas the latter implies a passive observation.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested