動詞 eradicate:

1. kill in large numbers
   同義詞：eliminate, annihilate, extinguish, wipe out, decimate, carry off
2. destroy completely, as if down to the roots
   同義詞：uproot, extirpate, root out, exterminate

1. They attempted to eradicate crime.
   他們力圖根除罪惡。
2. Smallpox has almost been eradicated.
   天花幾乎已經(jīng)被消滅了。
3. He eradicated weeds in his garden.
   他把花園中的雜草根除了。

e.rad.i.cate

v.tr.（及物動詞）
e.rad.i.cat.ed,e.rad.i.cat.ing,e.rad.i.cates
To tear up by the roots.
根除：連根撕碎
To get rid of as if by tearing up by the roots:
清除，撲滅，根絕：象連根拔起一樣消滅：
例句：
Their goal was to eradicate poverty.See Synonyms at abolish See Synonyms at eliminate
他們的目標是消除貧困參見 abolish參見 eliminate

來源：
Middle English eradicaten
中古英語 eradicaten
from Latin ôr3doc3re ôr3doc3t-
源自 拉丁語 ôr3doc3re ôr3doc3t-
ô-, ex- [ex-]
ô-, ex- [前綴，表.免除，離開.]
r3dox r3doc- [root] * see wr3d-
r3dox r3doc- [根] *參見 wr3d-

【引伸】
erad.icable
erad.ica.tion
n.（名詞）
erad.ica.tive
adj.（形容詞）
erad.ica.tor
n.（名詞）