Thesaurus.com
Dictionary.com
Showing results for radioactive. Search instead for radio+active.
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.

I admit that Emerald Fennell’s adaptation of Emily Brontë’s classic novel is a radioactive choice for a best-of list.

From Salon • Jun. 10, 2026

The doors slide open, revealing the entrance to what is expected to be the world's first permanent repository for radioactive spent nuclear fuel.

From Barron's • Jun. 1, 2026

“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

But a properly functioning coal-burning plant spreads radioactive lead, uranium, radon, polonium, and thorium every day.

From "Meltdown" by Deirdre Langeland



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