Synonyms for extinct
ɪkˈstɪŋktex·tinct

WiktionaryRate these synonyms:0.0 / 0 votes

1. extinctadjective

   Extinguished, no longer alight (of fire, candles etc.)

   Poor Edward's cigarillo was already extinct.

   Antonyms:
   burning

2. extinctadjective

   The dinosaurs have been extinct for millions of years.

   Antonyms:
   extant

3. extinctadjective

   Synonyms:
   dormant

   Antonyms:
   active

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. extinct, nonextantadjective

   no longer in existence; lost or especially having died out leaving no living representatives

   "an extinct species of fish"; "an extinct royal family"; "extinct laws and customs"

   Synonyms:
   out(p), nonextant

   Antonyms:
   surviving, living, live, alive, extant, active

2. extinctadjective

   (of e.g. volcanos) permanently inactive

   "an extinct volcano"

   Synonyms:
   out(p), nonextant

   Antonyms:
   living, extant, active, live, surviving, alive

3. extinct, out(p)adjective

   being out or having grown cold

   "threw his extinct cigarette into the stream"; "the fire is out"

   Antonyms:
   alive, active, live, living, extant, surviving

Dictionary of English SynonymesRate these synonyms:5.0 / 1 vote

1. extinctadjective

   Synonyms:
   extinguished, quenched, put out

2. extinctadjective

   Synonyms:
   ended, terminated, closed, brought to an end, no longer existing

PPDB, the paraphrase databaseRate these paraphrases:3.0 / 1 vote

1. List of paraphrases for "extinct":

   extirpated, missing, disappeared, gone, vanished, extinguishment

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How to use extinct in a sentence?

1. Andrew Pask:

   The technologies we are developing to de-extinct the thylacine all have immediate conservation benefits -- right now -- to protect marsupial species. Biobanks of frozen tissue from living marsupial populations have been collected to protect against extinction from fires, however, we still lack the technology to take that tissue -- create marsupial stem cells -- and then turn those cells into a living animal. That is the technology we will develop as a part of this project.

2. Phillip Barden:

   Fossilized behavior is exceedingly rare, predation( the act of predator attacking prey) especially so, as paleontologists, we speculate about the function of ancient adaptations using available evidence, but to see an extinct predator caught in the act of capturing its prey is invaluable.

3. Gerard McGuirk:

   Without commercial plantations, it will just become extinct, there's no doubt about that.

4. Katherine Krynak:

   Amphibians are declining so rapidly that scientists are oftentimes describing new species from museum specimens because the animals have already gone extinct in the wild, and very recently.

5. Gerardo Ceballos:

   People think nothing bad will come from species loss, because scientists can't predict exactly how many need to go extinct before the world collapses, the problem is that our environment is like a brick wall. It will hold if you pull individual bricks, but eventually it takes just one to make it suddenly fall apart.