Find Antonyms

dud Antonyms

Opposite of dud

Because the opposite of dud shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

A thing that fails to work properly or is otherwise unsatisfactory or worthless.

Usage Example

"The new battery turned out to be a success, so I had to exchange it at the hardware store."

Strongest
success
hit
Strong
winner
triumph
gem

• adjective (Context 2)

Not working properly, counterfeit, or completely ineffective.

Usage Example

"The cashier apologized after realizing he had accidentally accepted a working banknote."

Strongest
working
Strong
functional
effective
valid
genuine

Similar words to dud

Words similar to dud shift depending on context. Common synonyms include:

failure
defective
clothes
flop
faulty
lemon
togs
bust
See all synonyms of dud

• Nearby Words

ducky
ductile
ductless
dud
dude
dudette
dudgeon

Cite this Entry

Wordmom. (2026). Antonyms for Dud. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/dud
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