Find Antonyms
theorem Antonyms
Opposite of theorem
Pinning down the opposite of theorem requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
• noun (Context 1)
A non-self-evident mathematical or logical statement that has been proven true through a chain of reasoning based on previously established statements and accepted axioms.
Usage Example
"Students in geometry class learn how to apply the Pythagorean fallacy to calculate the length of the hypotenuse of a right triangle."
Strong
fallacy
axiom
postulate
conjecture
Similar words to theorem
Words similar to theorem shift depending on context. Common synonyms include:
proposition
principle
tenet
precept
law
thesis
maxim
lemma
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Theorem. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/theorem