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extermination; elimination; eradication; destruction; suppression; subjugation; getting rid of; stamping out; wiping out; rooting out
renouncing worldly desires (in order to concentrate on Buddhist teachings)
curing (an illness)
台所に出たゴキブリを退治するのに苦労した。
I had a hard time exterminating the cockroach that appeared in the kitchen.
昔話では勇者が鬼を退治する場面が多い。
In folk tales, there are many scenes where heroes slay demons.
庭の害虫を退治するために薬を撒いた。
I sprayed pesticide to exterminate the pests in the garden.