Radioactive
//ˌɹeɪdiəʊˈaktɪv//
Word Forms of "radioactive" (5 forms)
Adjective
| Form | Word | |
|---|---|---|
| Alternative, Dated | radio-active | |
| Comparative | more radioactive | |
| Superlative | most radioactive |
Noun
| Form | Word | |
|---|---|---|
| Alternative, Dated | radio-active | |
| Plural | radioactives |
Alternative, Datedradio-active
Pluralradioactives
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.