extermination

When an entire group of living things is killed, that's extermination. If ants have taken over your entire kitchen, marching across the counter and up the sides of the cabinets, you might have to resort to extermination.

If you smack just one mosquito, it's not extermination — a whole group must be destroyed in order to call it extermination. Spraying pesticides on your lawn to eradicate every dandelion is extermination, but if you do that you might be contributing to the inadvertent extermination of honey bees too. This destructive noun comes from the Latin exterminare, "drive out, expel, or destroy."

Definitions of extermination
  1. noun
    the act of exterminating
    synonyms: liquidation
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    type of:
    destruction, devastation
    the termination of something by causing so much damage to it that it cannot be repaired or no longer exists
  2. noun
    complete annihilation
    synonyms: extinction
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    type of:
    annihilation, disintegration
    total destruction
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