proof

noun
pro͞of

An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.

Example

“I need proof of your unconditional love. Lend me some dough.”

Other meanings

The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
The quality or state of having been proved or tried; firmness or hardness which resists impression, or does not yield to force; impenetrability of physical bodies.

Related words

above proof
proof game
burden of proof
offer of proof
counterproof
living proof
misproof
nonproof
proofless
prooflisten
unproof
page proof

Example sentences

“The proof is left as an exercise to the reader.”
Tatoeba · deniko · CC0
“I am living proof that you failed to break me.”
Tatoeba · shekitten · CC0
“Your proof is sophisticated.”
Tatoeba · ddnktr · CC0

Word history

From Latin "probō" (to prove).

Where this comes from

This definition is adapted from “proof” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.