Definitions

1. adjective

not fired or ignited, especially a bullet that has not been discharged from a firearm

“The police found an unfired bullet near the crime scene.”

2. noun

a bullet that has not been discharged from a firearm

“The detective examined the unfired bullet to determine its origin.”

3. noun

a brick or other material that has not been fired in a kiln

“The construction worker removed an unfired brick from the pile.”