useless

As adjectives the difference between useless and nonsense

is that useless is without use or possibility to be used while nonsense is resulting from the substitution of a nucleotide in a sense codon, causing it to become a stop codon (not coding for an amino-acid).

As a noun nonsense is

letters or words, in writing or speech, that have no meaning or seem to have no meaning.

As a verb nonsense is

to make nonsense of.

As adjectives the difference between useless and senseless

is that useless is without use or possibility to be used while senseless is bereft of feeling or consciousness; deprived of sensation; unconscious; insensible.

As a verb lazy

is .

As an adjective useless is

without use or possibility to be used.

As adjectives the difference between useless and undefined

is that useless is without use or possibility to be used while undefined is lacking a definition or value.

Useless is a related term of excessive.

As adjectives the difference between useless and excessive

is that useless is without use or possibility to be used while excessive is exceeding the usual bounds of something; extravagant; immoderate.

As adjectives the difference between useless and worst

is that useless is without use or possibility to be used while worst is (bad).

As a noun worst is

something or someone that is the worst.

As an adverb worst is

in the worst way: most badly, most ill.

As a verb worst is

(archaic|transitive) to make worse.

As a proper noun minor

is .

As an adjective useless is

without use or possibility to be used.

Sluggish is a related term of useless.

As adjectives the difference between sluggish and useless

is that sluggish is habitually idle and lazy; slothful; dull; inactive; as, a sluggish man while useless is without use or possibility to be used.

Useless is a related term of inoperative.

As adjectives the difference between useless and inoperative

is that useless is without use or possibility to be used while inoperative is not working or functioning; either idle or broken.

Unoccupied is a related term of useless.

As adjectives the difference between unoccupied and useless

is that unoccupied is (of a house etc) not inhabited, especially by a tenant while useless is without use or possibility to be used.