dud -
failing to detonate; especially not charged with an active explosive; "he stepped on a dud mine"
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
dud -
A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.
dud -
A lottery ticket that does not give a payout.
dud -
Clothes, now always used in plural form duds.
Wikipedia
A dud is an ammunition round or explosive that fails to fire or detonate, respectively, on time or on command. Duds are still dangerous and have to be deactivated and disposed of carefully. Poorly designed devices, and small devices, have higher chances of being duds.