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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
portentous
Grammar usage guide and real-world examplesUSAGE SUMMARY
"portentous" is a correct and usable word in written English.
It is usually used to describe something that gives an indication of a significant future event or happening. For example, "The darkening sky was a portentous sign of an approaching storm."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(5)
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
The single, Never Fade Away, has the portent of a Killers track: portentous sound, portentous vocals, as though to convey the idea that they are talking about Important Stuff.
News & Media
The films progressed from Ozploitation fodder to the portentous story of a broken man's spiritual voyage back to humanity via death-defying heroic acts.
News & Media
But we can all recognise the uncanny quality of his dream: that chilling, portentous atmosphere.
News & Media
The rehearsals, portentous theme tunes, garish computer graphics, live links and guests had not prepared for such an SNP tsunami and the decimation of the Liberal Democrats.
News & Media
I flip over a cassette of the most important album since Marvin Gaye's What's Going On (though I don't think such portentous thoughts then: just that A-Ha suddenly don't sound too amazing).
News & Media
Much portentous analysis would have you believe that Conservatism itself has reached a fork in the ideological road: back to the centre and into the euro with Mr Clarke, or deeper into right-wing insularity with Mr Duncan Smith.
News & Media
White called the season "an amazing and portentous one, full of horrible phenomena", and complained of the abnormal number of wasps.
News & Media
And in an even more portentous move, the SPV, the first device to run Microsoft's special version of Windows for mobile phones, has just been launched in Europe by Orange, a mobile operator.As the computer industry tries to cram PCs into pocket-sized devices, the mobile-phone industry has arrived at the same point but from the opposite direction.
News & Media
TOM WOLFE once delivered the perfect retort to Günter Grass's portentous warning that "the dark night of fascism is falling on America".
News & Media
The captivating sequence is accentuated by the portentous soundtrack of the composer, Joe Hisaishi, another artist whose signature style has become beloved of Ghibli fans.As wondrous as it is, it's the sort of stylistic flourish that has the potential to alienate Western audiences accustomed to more homogenised animation.
News & Media
And the key word here is the portentous "yet".
News & Media
Expert writing Tips
Best practice
Use "portentous" when you want to convey a sense of importance or ominous significance. It's suitable for formal writing and can add depth to your descriptions.
Common error
Avoid using "portentous" in casual conversations or informal writing. Its formal tone can sound pretentious or out of place in everyday contexts.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The adjective "portentous" primarily functions to modify nouns, imbuing them with a sense of significant or ominous importance. Ludwig AI confirms the word's validity and usability. The numerous examples confirm that "portentous" is used to describe events, signs, or pronouncements.
Frequent in
News & Media
67%
Encyclopedias
19%
Science
10%
Less common in
Formal & Business
2%
Wiki
1%
Social Media
1%
Ludwig's WRAP-UP
In summary, "portentous" is a grammatically sound adjective used to describe something of significant or ominous importance. As Ludwig AI clarifies, it is a valid and usable word in written English. The frequency of its appearance across News & Media, Encyclopedias, and Science domains indicates its relevance in formal contexts. While alternatives like "ominous" or "significant" may sometimes fit the context, "portentous" carries a unique weight that makes it particularly suitable for conveying a sense of impending importance or foreboding. Remember to reserve it for formal settings to avoid sounding pretentious. It is commonly used in authoritative sources like The Economist and The Guardian.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ominous
Focuses specifically on the threatening or foreboding aspect.
momentous
Highlights the historical or critical nature of an event.
significant
Emphasizes the importance or consequence of something.
fateful
Suggests that an event is predetermined or inevitable.
ill-omened
Suggests that something is a bad sign or bodes poorly for the future.
prophetic
Implies a predictive quality, often with a sense of divine or insightful foresight.
presageful
Indicates that something is an omen or sign of what is to come.
augural
Relates to divination or the interpretation of omens.
inauspicious
Signifies something that is not conducive to success; unlucky.
pompous
Shifts the meaning towards self-importance or exaggerated dignity.
FAQs
How can I use "portentous" in a sentence?
You can use "portentous" to describe events or signs that seem to indicate something important or ominous is about to happen. For example, "The "darkening sky" seemed a portentous sign of the coming storm".
What words can I use instead of "portentous"?
Depending on the context, you can use words like "ominous", "significant", or "momentous" as alternatives to "portentous".
Is it correct to use "portentous" to describe a person?
Yes, "portentous" can describe a person, but it usually implies that they are being overly serious or pompous, rather than simply important. Using "pompous" instead may be a more suitable word.
What is the difference between "portentous" and "momentous"?
"Portentous" suggests that something is a sign of a future event, often negative, while "momentous" simply means that something is of great importance or significance.
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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
4.5/5
Expert rating
Real-world application tested