The lyric from Imagine Dragons’ “Radioactive” finishes with “rust.” The unusual image follows “ash and dust” and contributes to the song’s post-apocalyptic atmosphere.
“Radioactive” was released in 2012 on Imagine Dragons’ major-label debut album, Night Visions. The song was written by band members Dan Reynolds, Wayne Sermon, Ben McKee, and Daniel Platzman with producers Alex da Kid and Josh Mosser. Its sound combines electronic production, heavy drums, and a deliberately dramatic vocal delivery.
The lyrics use images of chemical change, destruction, and awakening. The word “rust” suggests corrosion and decay, while the repeated “radioactive” hook evokes dangerous energy. The song’s meaning has been interpreted in several ways, including personal transformation and environmental or dystopian imagery.
A common mistake is replacing “rust” with “blood,” since both fit the song’s dark mood. The exact lyric is “I sweat my rust.” The track became a long-running international hit and received a Grammy nomination for Best Rock Performance.