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Vocabulary : Phrasal Verbs : K : kill off

kill off

Meaning: to cause the death of a whole population or an entire species

Synonym: wipe out

For example:

  • 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?

Quick Quiz:

Scientists have warned that hundreds of species of animals and plants could be killed off by
  1. hurricanes
  2. earthquakes
  3. global warming

Grammar explanation: separable and non-separable phrasal verbs

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1000 Phrasal Verbs in Context

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