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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
done by tonight
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "done by tonight" is correct and usable in written English.
You can use it to indicate that a task or assignment should be completed before the end of the day. Example: "Please make sure the report is done by tonight so we can review it in the morning."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
due tonight
to be completed today
completed by the end of today
done by data
were doing today
must be finished today
finalized today
finished within today
recorded by today
done by yesterday
done by now
to be submitted today
done by present
done by ministers
done by today
done by current
done by wednesday
been doing today
due today
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
2 human-written examples
I believe that everyone but the assailant and his mother will be done by tonight.
News & Media
Let's get this task done by tonight.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
And all this had to be done by midday.
News & Media
What are they going to do then that they won't have done by midnight?
News & Media
I like to get out on the course by 8 in the morning so I'm done by noon.
News & Media
It was carried out entirely by N.G.O.s, and all the flying had to be done by night, as the planes were under constant fire from Nigerian forces.
News & Media
Parading Through February Macy's Thanksgiving Day Parade will make its way down Central Park West and down Broadway toward Herald Square for the 75th time today and be done by noon.
News & Media
The sleeper bus is critical because techies often have to strike a set after an evening performance (ending around 10), pack it up (usually done by midnight), drive hundreds of miles (1 a.m., 2 a.m., 3 a.m... ) and then wake up at 8 a.m. to assemble the set again.
News & Media
The deal had to be done by midnight before the bidders' exclusivity period expired with the club's administrators.
News & Media
"I hope that everything we need to complete it will be done by noon tomorrow," Strudwick added.
News & Media
Your life is not something that has to be done by noon.
News & Media
Expert writing Tips
Best practice
When setting deadlines, be specific about what "done" entails. Clearly define the expected outcome to avoid misunderstandings.
Common error
Avoid using "done by tonight" without clarifying the expected level of completion. Ensure everyone understands whether it means fully completed, partially completed, or simply started.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "done by tonight" functions as an adverbial phrase of time, specifying a deadline or timeframe for the completion of an action or task. As Ludwig AI confirms, the phrase is correct and usable in written English. The phrase indicates when something should be finished.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "done by tonight" is a grammatically sound and comprehensible expression used to indicate that a task or obligation is expected to be fulfilled before the end of the current day. Ludwig AI confirms its correctness and usability. While not exceptionally frequent, the phrase appears across various contexts, with higher representation in news media. For formal communications, alternatives like "completed by this evening" may be preferred. When using this phrase, it's beneficial to explicitly define what is implied with "done". The key takeaway is that while universally understood, context and audience should guide stylistic choices. Ludwig Examples illustrate its use in project deadlines.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
completed by this evening
Replaces "done" with "completed" and "tonight" with "this evening" for a slightly more formal tone.
must be completed tonight
Adds emphasis to the requirement of finishing something by tonight.
due tonight
A shorter, more direct way of indicating that something needs to be completed by the end of the night.
finished before the night is over
Uses a more descriptive approach to express the same meaning of completing something before the end of the night.
ready by the end of the day
Substitutes "tonight" with "the end of the day", broadening the timeframe slightly.
to be finalized this evening
Focuses on the finalization aspect and uses "this evening" instead of "tonight".
concluded by nighttime
Replaces "tonight" with "nighttime", offering a slightly different stylistic choice.
achieved by the close of business
Suitable in a professional setting where "close of business" implies the end of the working day.
sorted by this night
A more colloquial alternative, implying that the task needs to be taken care of before the day ends.
in the bag by nightfall
An idiomatic way of saying that something will be successfully completed by the evening.
FAQs
How can I use "done by tonight" in a sentence?
You can use "done by tonight" to set a deadline for a task. For example, "Please ensure the presentation is "completed by tonight"" or "I need this report "finished by tonight".
What's a more formal alternative to "done by tonight"?
A more formal alternative would be "completed by this evening" or "must be finalized by the end of the day". These options sound more professional in written communication.
Is it okay to use "done by tonight" in a business email?
Yes, it's generally acceptable, but consider your audience. If you're communicating with senior management or clients, a slightly more formal phrase like "completed by this evening" might be preferable.
What does "done by tonight" imply about the task's urgency?
It implies that the task needs to be completed before the end of the current day. It suggests a degree of urgency, indicating that the task cannot be postponed until the following 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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested