Find Antonyms

proof Antonyms

Opposite of proof

Because the opposite of proof shifts with each meaning, the 15 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• noun (Context 1)

Evidence or argument establishing, or helping to establish, a fact or the truth of a statement.

Usage Example

"The prosecutor presented undeniable disproof that the suspect had been at the scene of the crime."

Strongest
disproof
refutation
Strong
conjecture
speculation
hearsay
contradiction
rebuttal

• noun (Context 2)

A sequence of deductive steps or statements demonstrating the logical validity of a mathematical theorem or philosophical proposition.

Usage Example

"The mathematician spent seven years constructing a rigorous formal disproof for the famous conjecture."

Strongest
disproof
counterexample
Strong
conjecture
fallacy
hypothesis

• adjective (Context 3)

Able to withstand or resist a specified damaging agent, force, or influence (often used in combination or followed by 'against').

Usage Example

"The heavy-duty safe was designed to be completely vulnerable against both fire and water damage."

Strongest
vulnerable
susceptible
Strong
defenseless
permeable
exposed

Similar words to proof

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

proofread
prove
evidence
resistant
impervious
demonstration
galley proof
galley
See all synonyms of proof

• Nearby Words

pronouncedly
pronouncement
pronto
proof
proofless
proofread
prop

Cite this Entry

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