breakdown

As a noun breakdown

is a failure, particularly mechanical; something that has failed.

As an adjective happy is

experiencing the effect of favourable fortune; having the feeling arising from the consciousness of well-being or of enjoyment; enjoying good of any kind, as peace, tranquillity, comfort; contented; joyous.

As a noun breakdown is

a failure, particularly mechanical; something that has failed.

Breakdown is a synonym of deterioration.

As nouns the difference between breakdown and deterioration

is that breakdown is a failure, particularly mechanical; something that has failed while deterioration is deterioration.

As nouns the difference between breakdown and disappearance

is that breakdown is a failure, particularly mechanical; something that has failed while disappearance is the action of disappearing or vanishing.

As nouns the difference between breakdown and chew

is that breakdown is a failure, particularly mechanical; something that has failed while chew is a small sweet, such as a taffy, that is eaten by chewing.

As a verb chew is

to crush with the teeth by repeated closing and opening of the jaws; done to food to soften it and break it down by the action of saliva before it is swallowed.

As a verb explain

is to make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of.

As a noun breakdown is

a failure, particularly mechanical; something that has failed.

As nouns the difference between breakdown and event

is that breakdown is a failure, particularly mechanical; something that has failed while event is an occurrence; something that happens.

As nouns the difference between breakdown and destruction

is that breakdown is a failure, particularly mechanical; something that has failed while destruction is the act of destroying.