Antonyms of adj invaluable

1 sense of invaluable

Sense 1
invaluable, priceless -- (having incalculable monetary, intellectual, or spiritual worth)

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

Similarity of adj invaluable

1 sense of invaluable

Sense 1
invaluable, priceless -- (having incalculable monetary, intellectual, or spiritual worth)
       => valuable (vs. worthless) -- (having great material or monetary value especially for use or exchange; "a valuable diamond")

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