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
mystery
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mystery" is correct and usable in written English.
It can be used when referring to something that is difficult to understand or explain, often involving an element of intrigue or enigma. Example: "The disappearance of the ancient artifact remains a mystery that has puzzled historians for decades."
✓ Grammatically correct
News & Media
Alternative expressions(4)
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
60 human-written examples
Before homogenization, when there was mystery, before aggregation, when the original had value, before digital, when there was vinyl, before Made in China, when there was Mao, before stress management, when there was romance, we had the impression we were doing all right.
News & Media
Observing Kennedy at close quarters did not help to solve the mystery.
News & Media
About how the United States turned swathes of the desert radioactive during the cold war and denied it, bequeathing a medical mystery which to this day haunts Hollywood and rural Mormon communities and raises a thorny question: how much should you trust the government?
News & Media
A century and a half later — and nearly a decade and a half after the sub was raised – just why the Hunley and its eight-man crew never returned is a mystery, albeit one that scientists may be closer to resolving.
News & Media
I am curious to find out how the mystery ends, but I wouldn't break your neck trying to add this one to the queue.
News & Media
I can't claim to have the answer for all but, for me, it is the mystery of the dinosaurs that draws me to them.
News & Media
For these men, Carole's life is as much a mystery as her death.
News & Media
The author has very cleverly hidden clues in the story and let us to solve the mystery as well.
News & Media
Other Banksy works spotted in Gaza after the mystery visit were a mural of a playful kitten and another of children swinging from a military watchtower.
News & Media
In particular, the introductions to both parts betray a much more generous sense of lyricism, enveloped in a palpable sense of mystery.
News & Media
The Luminaries is a similarly involving read – like a Wilkie Collins mystery set against the New Zealand gold rush – which slowly reveals a complex structure raising questions about fate, free will and the human search for meaning.
News & Media
Expert writing Tips
Best practice
When using "mystery", ensure the context clearly indicates whether you are referring to something unknown, a genre of fiction, or a religious concept.
Common error
Avoid using "mystery" interchangeably with words like "secret" or "enigma" without considering the specific nuance each word carries. "Secret" implies intentional concealment, while "mystery" emphasizes the lack of understanding.
Source & Trust
98%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "mystery" is as a noun, referring to something that is difficult to understand or explain. Ludwig AI provides numerous examples where "mystery" acts as the subject or object of a sentence, highlighting its role in conveying uncertainty or intrigue.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The word "mystery" functions primarily as a noun, denoting something unknown or difficult to explain. Ludwig AI indicates its grammatical correctness and very common usage, primarily within News & Media contexts. Related terms include "enigma" and "puzzle", offering nuanced alternatives for expressing uncertainty. When using "mystery", ensure the context is clear, and avoid confusing it with words that imply intentional concealment, such as "secret". The linguistic analysis underscores its neutral register and wide applicability in sparking curiosity and acknowledging the unknown.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
enigma
A more formal and literary synonym for something puzzling.
puzzle
Emphasizes the challenging aspect of understanding something.
riddle
Implies a question or statement phrased to require ingenuity in discovering its answer or meaning.
conundrum
A complex and difficult problem.
secret
Highlights the hidden or concealed nature of something.
unsolved problem
Focuses on the lack of a solution or explanation.
unexplained phenomenon
Specifically refers to events or occurrences without a clear cause.
open question
Suggests that the matter is still under investigation or consideration.
uncharted territory
Metaphorically describes an area of knowledge or understanding that is unexplored.
inexplicable event
Highlights the inability to provide a rational explanation for something.
FAQs
How can I use "mystery" in a sentence?
You can use "mystery" to describe something unknown or difficult to explain. For example: "The cause of the illness remains a "mystery"."
What are some synonyms for "mystery"?
Is it correct to say "the mystery is solved"?
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
98%
Authority and reliability
4.5/5
Expert rating
Real-world application tested