radioactive
(ra-di-o-ac-tive)
5 syllables
Definition
adjective. giving off or capable of giving off radiant energy in the form of particles or rays
Example Sentence
Uranium is a radioactive element.
Synonyms
Antonyms
Hear It! Say It! Write It!
radioactive
Rhymes
- active
- attractive
- inactive
- proactive
- reactive
- refractive
- hyperactive
- interactive
- overactive
- retroactive
- unattractive
- photorefractive
- radioactive