Antonyms of noun worth

1 of 3 senses of worth

Sense 2
worth -- (the quality that renders something desirable or valuable or useful)
       Antonym of worthlessness (Sense 1)
      => worthlessness, ineptitude -- (having no qualities that would render it valuable or useful; "the drill sergeant's intent was to convince all the recruits of their worthlessness")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun worth

3 senses of worth

Sense 1
worth -- (an indefinite quantity of something having a specified value; "10 dollars worth of gasoline")
       => indefinite quantity -- (an estimated quantity)

Sense 2
worth -- (the quality that renders something desirable or valuable or useful)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)

Sense 3
Worth, Charles Frederick Worth -- (French couturier (born in England) regarded as the founder of Parisian haute couture; noted for introducing the bustle (1825-1895))
       INSTANCE OF=> couturier, fashion designer, clothes designer, designer -- (someone who designs clothing)

Antonyms of adj worth

2 senses of worth

Sense 1
deserving, worth (predicate) -- (worthy of being treated in a particular way; "an idea worth considering"; "the deserving poor" (often used ironically))

INDIRECT (VIA worthy) -> unworthy -- (lacking in value or merit; "dispel a student whose conduct is deemed unworthy"; "unworthy of forgiveness")

Sense 2
worth (predicate) -- (having a specified value; "not worth his salt"; "worth her weight in gold")

INDIRECT (VIA valuable) -> worthless -- (lacking in usefulness or value; "a worthless idler")

Similarity of adj worth

2 senses of worth

Sense 1
deserving, worth (predicate) -- (worthy of being treated in a particular way; "an idea worth considering"; "the deserving poor" (often used ironically))
       => worthy (vs. unworthy) -- (having worth or merit or value; being honorable or admirable; "a worthy fellow"; "a worthy cause")

Sense 2
worth (predicate) -- (having a specified value; "not worth his salt"; "worth her weight in gold")
       => valuable (vs. worthless) -- (having great material or monetary value especially for use or exchange; "a valuable diamond")