Meaning: to cause the death of a whole population or an entire speciesSynonym: wipe out
- kill off sth Hopefully these new drugs can kill off the AIDS virus in someone who's infected.
- kill sth off Did you know that British settlers in Australia killed the Tasmanian aboriginals off in the 19th century?
Scientists have warned that hundreds of species of animals and plants could be killed off by
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Contributor: Matt Errey