falsifiable

American  

[fawl-suh-fahy-uh-buhl] / ˌfɔl səˈfaɪ ə bəl /

adjective

1. able to be altered or represented falsely.

   Using this technology ensures that customer transactions are tamper-resistant and not falsifiable.

2. able to be proven false.

   All scientific theories are falsifiable: if evidence that contradicts a theory comes to light, the theory itself is either modified or discarded.

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Other Word Forms

• falsifiability noun
• nonfalsifiable adjective
• unfalsifiable adjective

Etymology

Origin of falsifiable

First recorded in 1605–15; falsify ( def. ) + -able ( def. )

Example Sentences

It asks the state to present something tangible, something falsifiable, before crossing the threshold.

From Slate • Jul. 3, 2025

Scientific propositions are, however, testable and hence theoretically falsifiable, so even familiar ones are contingent.

From Washington Post • Jan. 28, 2023

Based on such exchanges, Agüera y Arcas argued that "statistics do amount to understanding, in any falsifiable sense."

From Salon • May 22, 2022

These outlets generally steer away from clearly falsifiable assertions — they have to worry about lawsuits.

From Seattle Times • Oct. 3, 2021

People may be able to take solace from it, but it’s clear that the statement is not falsifiable and hence, as the English philosopher Karl Popper has insisted, not part of science.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos