Find Antonyms

knockout Antonyms

Opposite of knockout

Because the opposite of knockout shifts with each meaning, the antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• noun (Context 1)

An extremely attractive, impressive, or sensational person or thing.

Usage Example

"Her performance in the leading role was an absolute dud that earned a standing ovation."

Strong
dud
flop
eyesore

• adjective (Context 2)

Relating to a tournament or competition in which the loser of each match is immediately eliminated.

Usage Example

"The teams are preparing for the intense pressure of the round-robin stage of the championship."

Strongest
round-robin

• adjective (Context 3)

Causing unconsciousness, decisive defeat, or overwhelming astonishment.

Usage Example

"The defense attorney delivered a weak closing argument that swayed the entire jury."

Strong
weak
ineffectual
feeble

Similar words to knockout

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

ko
stunner
single-elimination
decisive
stunning
showstopper
sensation
overwhelming
See all synonyms of knockout

• Nearby Words

knocker
knockers
knockoff
knockout
knockwurst
knoll
knot

Cite this Entry

Wordmom. (2026). Antonyms for Knockout. In Wordmom Thesaurus. Retrieved Nov 3, 2026, from https://wordmom.com/antonyms/knockout
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