Thesaurus.com
Dictionary.com
Showing results for radioactive.
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 dangers are so much different. Instead of an explosion, it just turns off. There’s no radioactive waste. So this light touch is exactly what the Congress overwhelmingly … wanted the NRC to do.”

From MarketWatch • May 18, 2026

According to the team, the results strongly point to the Local Interstellar Cloud as the source of the radioactive material.

From Science Daily • May 14, 2026

If it works, it could provide potentially limitless electricity without greenhouse gases or long-lived radioactive waste.

From The Wall Street Journal • May 1, 2026

Under the latest agreement, the government said the company must now halt all activities that produce radioactive waste within five years of its renewed operating licence.

From Barron's • Apr. 22, 2026

Kennedy couldn’t shake the nightmare image of two people in rags, huddled in radioactive rubble, wondering how they got there.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin



Vocabulary lists containing radioactive


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "radioactive" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com