Antonyms of adj unmeritorious

1 sense of unmeritorious

Sense 1
unmeritorious -- (without merit; "protect...from unmeritorious criticism")

INDIRECT (VIA unworthy) -> worthy -- (having worth or merit or value; being honorable or admirable; "a worthy fellow"; "a worthy cause")

Similarity of adj unmeritorious

1 sense of unmeritorious

Sense 1
unmeritorious -- (without merit; "protect...from unmeritorious criticism")
       => unworthy (vs. worthy) -- (lacking in value or merit; "dispel a student whose conduct is deemed unworthy"; "unworthy of forgiveness")