1. (noun) an explosion that fails to occur

• dud

2. (noun) a failure to hit (or meet or find etc)

• miss

1. (noun) an explosion that fails to occur

• breakdown
• equipment failure

2. (noun) a failure to hit (or meet or find etc)

• failure

3. (verb) fail to fire or detonate

• break
• break down
• conk out
• die
• fail
• give out
• give way
• go
• go bad

1. (noun) a failure to hit (or meet or find etc)

• miss
• miss

2. (verb) fail to fire or detonate

• dud