extinction
nounUK /ɪkˈstɪŋkʃən/
US /ɪkˈstɪŋkʃən/
Extinction is when all the animals of one kind are gone forever.
The dinosaurs died out in a big extinction long ago.
RELATED WORDS
OTHER MEANINGS
2. The act of putting out a fire completely.
The firefighters worked for hours on the extinction of the forest fire.
3. The state of no longer existing or being used.
The old tradition slowly faced extinction as fewer people took part.
4. The ending of a feeling or behavior.
The teacher praised the extinction of bad habits in the classroom.