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Definitions

radioactive

[rey-dee-oh-ak-tiv] / ˌreɪ di oʊˈæk tɪv /
ADJECTIVE
active
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The extraction of the material would likely need to be conducted by an elite special operations team specially trained to remove radioactive material from a conflict zone.

From The Wall Street Journal • Mar. 29, 2026

But then, he predicted that industries would start using uranium and radium, and pretty soon we’d have … radioactive smog.

From Los Angeles Times • Mar. 26, 2026

The license specifically applies to Atomic Alchemy, a wholly-owned subsidiary dealing in the production of radioactive isotopes.

From Barron's • Mar. 18, 2026

Herrera was certainly the less radioactive candidate of the two.

From Slate • Mar. 9, 2026

All of the soil on the site, full of radioactive dust, had been paved over to prevent it from becoming airborne.

From "Meltdown" by Deirdre Langeland