Dictionary Only:
Explicit Words:




There are 6 meanings of the word Extinction.

Extinction - as a noun

No longer active; extinguished

Example: "The extinction of the volcano"

No longer in existence

Example: "The extinction of a species"

Synonyms (Exact Relations)

The reduction of the intensity of radiation as a consequence of absorption and radiation

Complete annihilation

Example: "They think a meteor caused the extinction of the dinosaurs"

Synonyms (Exact Relations)

A conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

Synonyms (Exact Relations)
experimental extinction

The act of extinguishing; causing to stop burning

Example: "The extinction of the lights"

Synonyms (Exact Relations)

Example Sentences

"The extinction of the dinosaurs occurred millions of years ago."
"Hunting and habitat destruction are major causes of species extinction."
"Efforts are being made to prevent the extinction of endangered species."
"The passenger pigeon is an example of a species driven to extinction by human activity."
"Climate change is posing a significant threat to many species, increasing the risk of extinction."
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Word Game Points

Is EXTINCTION a valid Scrabble word?
Yes, extinction is valid for both Scrabble US and EU
US/CA Valid UK/EU Valid

EXTINCTION has a SCRABBLE points total of 19.

Is EXTINCTION a valid Words With Friends word?
Yes, extinction is valid for Words With Friends
Valid Word
EXTINCTION has a WORDS WITH FRIENDS points total of 22.

Is EXTINCTION a valid WordFeud word?
Yes, extinction is valid for WordFeud
Valid Word
EXTINCTION has a WORDFEUD points total of 16.

Word Variations & Relations

A-Z Proximities

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