is extinct

USAGE SUMMARY

The phrase "is extinct" is correct and usable in written English.
It can be used to describe a species or a phenomenon that no longer exists. Example: "The dodo bird is extinct, having disappeared from the earth in the late 17th century."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

By Corollary 3.2, species 1 is extinct with zero exponential extinction rate and species 2 is exponentially extinct.

Advances in Difference Equations

Such commercial extinction does not mean that the species is extinct, merely that it can no longer sustain a fishery.

Wikipedia

For endangered species, translocation is often considered essential to restore genetic diversity of highly isolated populations threatened with extinction and in areas where the species is extinct [ 6].

BMC Evolutionary Biology

The airbrush is extinct.

The New York Times

Now, communism, he thinks, is extinct.

The Guardian - Film

No wonder the verb "to hull" is extinct.

The New York Times

The Syrian wild ass (E. hemionus hemippus) is extinct.

Encyclopedia Britannica

What is the difference between a volcano that is dormant and one that is extinct?

The Guardian

The bird, which is extinct, lived only in Florida, not in New Jersey.

The New York Times

"If beluga is extinct, something should be done," Mr. Ripert added.

The New York Times - Food

Already, the western black rhino is extinct (the declaration was made in 2011).

The Guardian

Expert writing Tips

Best practice

When writing about endangered species, use "is extinct" to clearly and definitively state that a species no longer exists. This avoids ambiguity and ensures clarity in scientific or conservation contexts.

Common error

Avoid using "is extinct" when you mean "is endangered" or "is critically endangered". Extinction means the species no longer exists anywhere, while endangerment means it is at risk of extinction.

Linguistic Context

The phrase "is extinct" functions as a predicate adjective, describing the state of a noun (usually a species, but can be applied more broadly) as no longer existing. Ludwig AI confirms that the phrase is grammatically correct.

Expression frequency: Very common

Frequent in

Science

34%

News & Media

32%

Encyclopedias

17%

Less common in

Wiki

12%

Formal & Business

2%

Reference

1%

Ludwig's WRAP-UP

In summary, the phrase "is extinct" is a grammatically sound and frequently used expression to denote that something no longer exists. Ludwig AI confirms its correct usage. It is commonly found in scientific, news, and encyclopedic contexts, signifying the cessation of species, practices, or phenomena. While neutral in register, it leans towards formality, fitting both scientific reports and general news articles. When using "is extinct", ensure you're accurately conveying complete non-existence rather than endangerment, and consider the formality of your context to maintain appropriate tone.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

no longer exists

Focuses on the absence of existence rather than the process of becoming extinct.

is no longer in existence

Formal restatement of the basic meaning.

has died out

Specifically implies a gradual disappearance, particularly for living organisms.

is no more

A more general and sometimes metaphorical way of stating something has ceased to exist.

is gone forever

Emphasizes the permanence of the disappearance.

has been wiped out

Suggests a forceful or complete removal.

vanished from the earth

Highlights the complete and utter disappearance, especially for species.

has ceased to exist

A more formal and emphatic way of saying something no longer exists.

is a thing of the past

Implies obsolescence and being outdated, not necessarily complete disappearance.

is lost forever

Similar to 'is gone forever' but can also apply to abstract concepts.

FAQs

How can I use "is extinct" in a sentence?

You can use "is extinct" to describe anything that no longer exists, such as "The dodo bird "is extinct"" or "That fashion trend "is extinct"".

What's a formal alternative to "is extinct"?

A more formal alternative to "is extinct" is "is no longer in existence". This phrase is suitable for academic or professional writing.

Is it appropriate to use "is extinct" metaphorically?

Yes, "is extinct" can be used metaphorically to describe something that has disappeared or is no longer relevant, such as "That type of customer service "is extinct"".

What is the difference between "is extinct" and "is endangered"?

"Is extinct" means that something no longer exists, while "is endangered" means that something is at risk of becoming extinct. They have very different meanings and should not be confused.