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
are now obsolete
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are now obsolete" is correct and usable in written English.
It can be used to indicate that something is no longer in use or relevant in the present time. Example: "With the advent of smartphones, traditional flip phones are now obsolete."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
have become outdated
are no longer used
are out of date
have been superseded
are outmoded
are a thing of the past
are antiquated
are defunct
are no longer in use
disappeared entirely
no longer accessible
are now defunct
are no more
no longer existing
no longer real
no longer exists
no longer available
no longer implement
no longer exist
have been terminated
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
42 human-written examples
"These treaties are now obsolete.
News & Media
Consequently, these strategies are now obsolete.
The old planning forms are now obsolete.
Does this mean that Webber's insights are now obsolete?
News & Media
Most British politicians agree, at least rhetorically, that big-government, Whitehall-centred policies are now obsolete.
News & Media
Crafts that once sustained them, such as making brass pots and shoeing horses, are now obsolete.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
This wiki page is now obsolete!
Academia
You make records, you're now obsolete.
News & Media
Their best parody is now obsolete.
News & Media
Meniscectomy being favored at the beginning is now obsolete.
That project undercut referential issues, however, and is now obsolete.
Academia
Expert writing Tips
Best practice
When using "are now obsolete", ensure that the context clearly indicates what has replaced the obsolete item or practice. This provides a clearer understanding for the reader.
Common error
Avoid using "are now obsolete" for items that are merely less popular but still in use. Reserve it for things that are genuinely no longer functional or relevant.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are now obsolete" functions as a predicate adjective, describing the state of a subject as being no longer in use or relevant. This is supported by Ludwig, which validates its grammatical correctness and provides numerous examples of its application across diverse contexts.
Frequent in
News & Media
40%
Academia
25%
Science
15%
Less common in
Encyclopedias
8%
Wiki
7%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, the phrase "are now obsolete" is a grammatically sound and frequently used expression to indicate that something is no longer in use or relevant. According to Ludwig, its validity is confirmed by its frequent appearance in reputable sources across news, academia, and science. While highly versatile, it's important to ensure its usage accurately reflects genuine obsolescence rather than mere decline in popularity. When writing, consider alternatives such as "have become outdated" or "are no longer used" for nuanced contexts. Using this advice will improve your clarity and precision.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are no longer used
Emphasizes the cessation of use, a straightforward alternative.
are out of date
Highlights the lack of current relevance or validity.
have become outdated
Focuses on the process of becoming outdated rather than the current state.
have been superseded
Implies replacement by something newer or better.
are outmoded
Emphasizes the lack of modernity or up-to-dateness.
are a thing of the past
More idiomatic, suggesting something belongs to a previous era.
are antiquated
Highlights the old-fashioned and often unusable nature of something.
are defunct
Suggests a complete cessation of function or existence.
are superannuated
A formal term suggesting something is too old to be useful.
are passé
Borrowed from French, indicating something is no longer fashionable or current.
FAQs
How to use "are now obsolete" in a sentence?
Use "are now obsolete" to indicate that something is no longer in use or relevant because it has been replaced by something newer or better. For example, "Typewriters "are now obsolete" because of computers."
What can I say instead of "are now obsolete"?
You can use alternatives like "have become outdated", "are no longer used", or "are out of date" depending on the context.
Which is correct, "are now obsolete" or "is now obsolete"?
"Are now obsolete" is used with plural nouns, while "is now obsolete" is used with singular nouns. For example, "These practices are now obsolete", but "This method is now obsolete".
What's the difference between "are now obsolete" and "have become outdated"?
"Are now obsolete" describes a current state of being out of use or relevance, while "have become outdated" describes the process of something becoming obsolete over time. Both express the idea of something no longer being current or useful.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested