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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
by nightfall only
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by nightfall only" is correct and usable in written English.
It can be used to indicate that something will happen or be completed exclusively by the time night falls. Example: "We need to finish the project by nightfall only to ensure we have enough time to prepare for the presentation."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(15)
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
9 human-written examples
By nightfall, only the original masonry remained.
News & Media
By nightfall only 164 holdouts were left.
News & Media
By nightfall, only 6,000 people were reported to have come to the 65 gas-mask distribution centers that were opened across the country.
News & Media
By nightfall, only about 30 protesters were left, many of them young Syrians, vowing to camp there until the government fell.
News & Media
The United Nations had hoped preliminary results would be released Thursday morning, but by nightfall, only partial results from 5 of Iraq's 19 provinces were made public.
News & Media
By nightfall, only an ex-paramilitary policeman said to be "a supporter" had been detained, outside a nearby ski-resort hotel.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
The fires were stoked with wooden fruit crates, and some demonstrators had prepared Molotov cocktails, but the number of rioters dwindled by nightfall and only a few dozen people remained.
News & Media
DEAD BY NIGHTFALL, by Beverly Barton.
News & Media
BY NIGHTFALL, by Michael Cunningham (Picador, $15).
News & Media
By nightfall they had only advanced a few miles and were still some 15 miles (24 km) from Tunis.
Encyclopedias
It was only by nightfall, when John the Armenian with his men and the 600 Huns rejoined his army, that Belisarius realized the extent of his victory.
Wiki
Expert writing Tips
Best practice
Use "by nightfall only" to clearly set a strict deadline or limitation on an activity or state, emphasizing that it must be completed or achieved before night. For example, "The supplies had to arrive by nightfall only, otherwise the mission would be compromised."
Common error
Avoid using "by nightfall only" when you simply mean "by nightfall". The 'only' adds emphasis to the exclusivity of the timeframe. Omitting "only" broadens the scope to allow for completion at any point before nightfall.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by nightfall only" functions as an adverbial phrase modifying a verb or clause to indicate a specific time frame. It emphasizes that an action or state is limited exclusively to the period before nightfall. Ludwig confirms its usability in written English.
Frequent in
News & Media
50%
Wiki
29%
Encyclopedias
7%
Less common in
Formal & Business
0%
Science
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "by nightfall only" is a prepositional phrase used to set a firm temporal boundary, signifying actions or conditions must be fulfilled exclusively before the end of the day. As confirmed by Ludwig, the phrase is grammatically correct and usable, adding emphasis to the strictness of the timeframe. Although commonly found in News & Media and Wiki sources, it can be used in various contexts to highlight urgency or limitation. To ensure effective communication, remember to use "by nightfall only" when you specifically want to emphasize exclusivity of that timeframe, differentiating it from the broader "by nightfall".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
before nightfall alone
Emphasizes the exclusivity of the time frame before nightfall, removing the action from any other time.
solely by the end of the day
Highlights that the task or event must occur before the day concludes.
just by sunset
Uses sunset as the cutoff time, similar to nightfall.
merely at dusk
Focuses on the narrow window of time at dusk.
only when evening arrives
Shifts focus to the arrival of evening as the condition for something to occur.
exclusively before dark
Stresses that it cannot occur after dark.
at nightfall and not later
Explicitly denies that the action may take place at some later time.
prior to the close of day exclusively
Formally emphasizes the time constraint.
no later than sundown alone
Highlights sundown as the ultimate deadline.
at the close of day and none other
Emphasizes that that specific moment marks the limit.
FAQs
How can I use "by nightfall only" in a sentence?
Use "by nightfall only" to emphasize that something must be completed or exist exclusively before the end of the day. For instance, "All preparations must be finalized by nightfall only to ensure a smooth operation tomorrow."
What phrases are similar to "by nightfall only"?
Alternatives include phrases like "before nightfall alone", "solely by the end of the day", or "just by sunset". Each of these emphasizes the time limitation, but slightly differently. See also: "before nightfall alone", "solely by the end of the day", and "just by sunset".
Is it redundant to say "by nightfall only"?
While "by nightfall" already implies a time limit, adding "only" emphasizes the strictness and exclusivity of that deadline. It clarifies there's no allowance for anything happening after nightfall.
What's the difference between "by nightfall" and "by nightfall only"?
"By nightfall" indicates a deadline before the end of the day. "By nightfall only" stresses the deadline is strict and nothing can happen after that time. The addition of "only" heightens the emphasis.
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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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested