English Reference

Word

eradication

Phoneticserad·i·ca·tion

US/ɪˌɹædəˈkeɪʃən/

UK/ɪɹˌædɪkˈeɪʃən/

Definition

n. the act of completely getting rid of something unwanted, like a disease or poverty.

n. the complete destruction or elimination of something, particularly in a medical or social context. Uncountable in general use, though specific instances may be countable.

Examples

“The eradication of smallpox is a major medical success.”

“Public health officials are working toward the global eradication of polio through mass vaccination programs.”

“The total eradication of invasive species from the island required years of meticulous monitoring and the implementation of strict biosecurity protocols to prevent reintroduction.”

Examples

simple

“The eradication of smallpox is a major medical success.”

contextual

“Public health officials are working toward the global eradication of polio through mass vaccination programs.”

complex

“The total eradication of invasive species from the island required years of meticulous monitoring and the implementation of strict biosecurity protocols to prevent reintroduction.”

Usage

Often followed by the preposition 'of' to indicate the target being removed.

Real-World Examples

“Scientists estimate its population numbers in the billions, making eradication unrealistic.”
Phys.org · 18 Aug 2026
“In counties where hog eradication efforts were coordinated, however, the average claim for cornfield acres damaged from wildlife declined to 10 acres per policy.”
The Conversation · 13 Aug 2026

Etymology

Borrowed from Latin ērādīcātiō, from ērādīcō + -tiō, from ē- (“out”) + rādīx (“root”) + -ō. Equivalent to eradicate + -ion or e- (“without”) + radication.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

eliminationextirpationremoval

Antonyms

Word family

eradicateVerberadicationNoun

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated
Register
Academic, Formal

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English Reference