dud

As a noun dud

is (informal) 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.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between fake and dud

is that fake is something which is not genuine, or is presented fraudulently or fake can be (nautical) one of the circles or windings of a cable or hawser, as it lies in a coil; a single turn or coil while dud is (informal) 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.

As an adjective fake

is not real; false, fraudulent.

As a verb fake

is to cheat; to swindle; to steal; to rob or fake can be (nautical) to coil (a rope, line, or hawser), by winding alternately in opposite directions, in layers usually of zigzag or figure of eight form, to prevent twisting when running out.

As nouns the difference between dandy and dud

is that dandy is a man very concerned about his clothes and his appearance while dud is (informal) 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.

As an adjective dandy

is like a dandy, foppish.

As nouns the difference between dud and stupid

is that dud is (informal) 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 while stupid is a stupid person; a fool.

As an adjective stupid is

lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

As an adverb stupid is

(slang|dated) extremely.

As a noun dud

is (informal) 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.

As an adjective valueless is

having no value.

is likely misspelled.

has no English definition.

As a noun dud

is 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.

In informal terms the difference between dud and dad

is that dud is 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 while dad is a father, a male parent.

As a proper noun Dad is

one's father.

As an initialism DAD is

a designation on prerecorded compact discs indicating that the contents were recorded in digital but mixed in analog before being mastered to a digital medium; compare AAD, ADD, DDD.

As nouns the difference between dud and zud

is that dud is (informal) 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 while zud is .

As a noun dud

is (informal) 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.

As a verb dut is

.

As nouns the difference between dud and dux

is that dud is 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 while dux is the top academic student in a school, or in a year of school; the top student in a specified academic discipline.