To eradicate something means to get rid of it completely.
例句
They are already battling to eradicate illnesses such as malaria and tetanus...他們已經在努力消滅瘧疾、破傷風等疾病。If tedious tasks could be eradicated, the world would be a much better place.如果可以消滅那些單調乏味的工作，世界將會變得更加美好。
英英詞典釋義
Noun
1. the complete destruction of every trace of something