Used and loved by millions
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
unpredicted event
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unpredicted event" is not commonly used in written English; "unexpected event" is more appropriate.
You can use it when referring to an occurrence that was not anticipated or foreseen. Example: "The unpredicted event caused significant disruptions in the schedule."
✓ Grammatically correct
Science
News & Media
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
57 human-written examples
Unpredicted events may also throw a spanner in the works: "The earlier you rent, the more likely it is that your circumstances might change.
News & Media
Thus, the root causes should be identified to avoid unpredicted events at the workplace.
In complex environments, decision making process faces several challenges due to the dynamic of unpredicted events.
Science
The global performance of business processes is however constrained by unpredicted events, which cause deviations from the expected purpose.
Science
More powerful lateral loads occur as a result of unpredicted events such as heavy wind, earthquakes, slope failure, and lateral spread induced by liquefaction.
From an economic standpoint, options provided their owners with both protection against unpredicted events and substantial leverage power making them popular among many agents in the economy.
Science
Owing to the heterogeneous behaviour of the architecture, the system can automatically reconfigure its actions to adapt to unpredicted events (such as actuator failure).
Unpredicted events are noticed; unpredicted reinforcers capture attention and cause learning.
Postoperative nasal septum deviation is a rare and unpredicted outcome after the surgery.
The VBM analysis generated an unpredicted effect of late MIA on 4th ventricle volume.
Science
Unpredicted adverse events and inadequacy to cope with them may undermine a patient's self-reliability and adherence to treatment.
Science
Expert writing Tips
Best practice
When using "unpredicted event", consider whether "unexpected event" might be a more readily understood and widely accepted alternative.
Common error
While technically correct, "unpredicted event" can sound stilted in everyday conversation. Opt for "unexpected event" in informal settings for clearer communication.
Source & Trust
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unpredicted event" functions as a noun phrase, where "unpredicted" acts as an adjective modifying the noun "event". It describes a specific type of occurrence that was not anticipated. The Ludwig AI highlights that the phrase is grammatically acceptable but suggests that “unexpected event” is more commonly used.
Frequent in
Science
35%
News & Media
30%
Formal & Business
15%
Less common in
Academia
10%
Encyclopedias
5%
Wiki
5%
Ludwig's WRAP-UP
The phrase "unpredicted event" refers to an occurrence that was not anticipated or foreseen. While grammatically sound, Ludwig notes that "unexpected event" is a more common and often preferred alternative. The phrase tends to appear in neutral to formal contexts, with a stronger presence in scientific, technical, and news-related sources. When using this phrase, consider whether the more common "unexpected" might be a better fit for your audience and context. Given the existence of several good alternative, is always good to have another chance to rephrase your sentence, so the final result is more clear, effective and immediate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unexpected event
Replaces "unpredicted" with the more common synonym "unexpected".
unforeseen event
Uses "unforeseen" to emphasize the lack of anticipation.
surprise occurrence
Emphasizes the element of surprise associated with the event.
unanticipated incident
Substitutes "event" with "incident", suggesting a potentially disruptive occurrence.
unforeseeable circumstance
Shifts from "event" to "circumstance", highlighting the situation surrounding the occurrence.
chance happening
Highlights the accidental and unplanned nature of the event.
random occurrence
Stresses the lack of predictability and pattern.
unlooked-for development
Implies that the event was not expected or desired.
unheralded episode
Suggests the event occurred without any prior indication or warning.
sudden twist
Emphasizes the abrupt and unexpected nature of the change.
FAQs
What is a good substitute for "unpredicted event"?
Consider using "unexpected event", "unforeseen event", or "surprise occurrence" as alternatives to "unpredicted event", depending on the specific nuance you want to convey.
How can I use "unpredicted event" in a sentence?
You can use "unpredicted event" to describe a situation that was not anticipated. For example: "The company faced significant losses due to an "unpredicted event" in the market."
Is "unpredicted event" the same as "unpredictable event"?
While related, "unpredicted event" refers to an event that was not foreseen, whereas "unpredictable event" describes an event whose nature or timing cannot be known in advance. "Unpredictable event" describes the inherent characteristic of that event.
When is it appropriate to use "unpredicted event" over "unexpected event"?
Although both are similar, you may choose to use "unpredicted event" in more formal or technical contexts where you want to specifically emphasize the lack of prior prediction or forecasting.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested