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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
as first thing
Grammar usage guide and real-world examplesUSAGE SUMMARY
'as first thing' is correct and is a phrase that can be used in written English.
It means "immediately" or "first of all," and is usually followed by a verb. For example, "I checked my email as first thing this morning."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
As first thing
first thing in the morning
at the earliest opportunity
before anything else
initially
primarily
as the initial action
as the first order of business
to begin with
as a priority
right off the bat
at the crack of dawn
as first option
as first item
as first element
as first choice
as first dimension
as first gesture
as best thing
as first author
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
5 human-written examples
A survey of works on paper produced by the composer in the decade or so before his death in 1992, this show is as clean and fresh as first thing in the morning, the time of day in which Cage, with his sweet-tempered Zen-ness, seemed perpetually to live.
News & Media
This should lead to faster deployment and a more persistent desktop feel, even during peak access times, such as first thing in the morning.
News & Media
This way, a genetic cross started late in the afternoon was found to be perfectly poised for ascus dissection as first thing the following morning.
Science
Do this well before the exam, such as first thing in the morning.
Wiki
To minimize the chances of this, try collecting the sample when your dog has a full bladder, such as first thing in the morning.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Yet they, and indeed Benedict himself might be surprised to find that, as a post at First Things explains, he evidently has his admirers on the left.
News & Media
Samantha, I can report, looks as horrified first thing in the morning as any woman would if they came down unmade-up to find a stranger in the kitchen.
News & Media
During debriefing Cloudsley-Thompson said that he "never wished to see another tank as long as [he] lived" but the British press reported this as: "The first thing the five tank men asked for was another tank".
Wiki
Right at the moment, I guess we're definitely in the era of "do not take as read the first thing that people say to you".
News & Media
This information is presented succinctly to you either on a piece of paper as you enter the room or as the first thing you see on the EHR screen.
Science
Yet she said she had a vision to one day become a police officer, characterizing it as "the first thing in my mind".
News & Media
Expert writing Tips
Best practice
Use "as first thing" to emphasize immediacy. For example, "As first thing, review the report to identify key areas needing attention."
Common error
Avoid using "as first thing" in highly formal or academic writing. Opt for phrases like "initially" or "primarily" for a more appropriate tone.
Source & Trust
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as first thing" functions as an adverbial phrase, modifying a verb to indicate when an action should be performed. Ludwig indicates that it is grammatically correct and provides examples of its usage.
Frequent in
News & Media
44%
Wiki
31%
Science
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "as first thing" is a grammatically sound adverbial phrase used to emphasize the immediacy of an action. While Ludwig confirms its correctness, its usage is relatively rare and leans towards informal contexts like news articles and how-to guides. It signals that something should be done with priority. Alternatives such as "first thing in the morning" or "before anything else" may be more suitable for formal settings. Overall, "as first thing" provides a direct way to indicate the initial action in a sequence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
first thing in the morning
Specifies the time of day when the action occurs, adding a temporal context that "as first thing" may lack.
before anything else
Emphasizes the precedence of an action over all others.
as the initial action
Emphasizes the order of events, clarifying that the action is the very first to be taken.
as the first order of business
Implies a formal or structured setting where actions are prioritized.
at the earliest opportunity
Focuses on timing, indicating the action is done as soon as possible.
to begin with
Highlights that something is the starting point, initiating a process or discussion.
as a priority
Highlights the importance of the action, showing it is given precedence.
as an opening move
Suggests a strategic initiation of a sequence of actions.
right off the bat
An informal expression meaning immediately or at the start.
at the crack of dawn
Indicates something happens very early in the morning, more specific than "as first thing".
FAQs
How can I use "as first thing" in a sentence?
Use "as first thing" to indicate that an action should be done immediately or before anything else. For example, "As first thing, check your email for urgent messages."
What phrases are similar to "as first thing"?
Similar phrases include "first thing in the morning", "at the earliest opportunity", or "before anything else".
Is "as first thing" a formal expression?
Can "as first thing" always be replaced with "first thing in the morning"?
While "first thing in the morning" is a similar phrase, "as first thing" is not necessarily limited to the morning. It simply means as the initial action, regardless of the time of day.
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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
3.8/5
Expert rating
Real-world application tested