Thesaurus.com
Dictionary.com
Showing results for radioactive. Search instead for radioteile.
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.

Monazite tends to contain higher levels of radioactive thorium, which can be a processing issue.

From Barron's • May 18, 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

He was the first to have shape-shifting powers, which he gained after encountering a mysterious radioactive pool of protoplasm.

From Los Angeles Times • Apr. 22, 2026

In this study, researchers successfully recreated a key step in the process by observing proton capture on radioactive arsenic-73 for the first time.

From Science Daily • Apr. 14, 2026

But before operators could open the vents, which would likely still release some radioactive steam into the air, they needed approval from the government.

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