Antonyms of adj nonradioactive

1 sense of nonradioactive

Sense 1
nonradioactive (vs. radioactive) -- (not radioactive)

radioactive (vs. nonradioactive) -- (exhibiting or caused by radioactivity; "radioactive isotope"; "radioactive decay"; "radioactive fallout")
        => hot -- (having or dealing with dangerously high levels of radioactivity; "hot fuel rods"; "a hot laboratory")

Similarity of adj nonradioactive

1 sense of nonradioactive

Sense 1
nonradioactive (vs. radioactive) -- (not radioactive)