inert

In 2002, in perhaps one of the most ignominious episodes, the recycling center was dismantling Navy artillery shells — that were supposedly inert — when one exploded and a chunk of metal launched onto Jordan High’s campus.

A previously inert running game has picked up considerable speed, averaging 253.5 yards in the victories over Penn State and Michigan State.

"They tell me that they are digging so many boreholes - 140 boreholes or something - and all they have found there is inert waste, builders rubble and stuff."

"Various Second World War-era unexploded ordnance items were discovered as a result of the wildfires, which the EOD operator declared to be inert practice projectiles. They were retrieved for subsequent disposal," he explained.

Its warhead is reported to have deliberately fragmented during its final descent into several, independently targeted inert projectiles, a methodology dating back to the Cold War.