radioactive
//ˌreɪ.di.oʊˈæk.tɪv//
Adjective
radioactiveCanonical form
more radioactiveComparative
most radioactiveSuperlative
1
Emitting or relating to the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
The scientists discovered radioactive material at the site.
2
(informal) Extremely dangerous, toxic, or controversial, especially in a way that causes people to avoid involvement.
After the scandal, he became radioactive in the industry and no one wanted to work with him.