1. To do away with as completely as if by pulling up by the roots.
2. To remove or destroy utterly.
3. To pull up by the roots.
Eradicate can be broken into ‘Era + Decade’. Now think of it as the era of a King that existed decades ago but has now been lost, that is, it has been uprooted and hence the meaning of the word Eradicate.
1. Polio has now been completely eradicated from India.
2. His ambition is to eradicate poverty in his community.