proof
Fetched 2026-10-26 (cache).
Synonyms: poof, roof, prof, -proof, ploof, proo, troof
Antonyms: poof, roof, prof, -proof, ploof, proo, troof
Related words from Datamuse; suggestions, not definitions.
Noun
- {{lb|en|countable}} An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
- {{lb|en|uncountable}} 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.
- {{lb|en|obsolete}} [[experience|Experience]] of something.
- {{lb|en|uncountable|obsolete}} Firmness of mind; stability not to be shaken.
- {{lb|en|countable|printing}} A [[proof sheet]]; a trial impression, as from type, taken for correction or examination.
- {{lb|en|numismatics|nocat=y}} A limited-run high-quality strike of a particular [[coin]], originally as a test run, although nowadays mostly for collectors' sets.
- {{lb|en|countable|logic|mathematics}} A sequence of statements consisting of [[axiom]]s, assumptions, statements already demonstrated in another proof, and statements that logically follow from previous statements in the sequence, and which concludes with a statement that is the object of the proof.
- {{lb|en|countable|mathematics}} A process for testing the accuracy of an operation performed. Compare [[prove]], ''transitive verb'', 5.
- {{lb|en|obsolete}} Armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof.
- {{senseid|en|Q4742312}} {{lb|en|US}} A measure of the [[alcohol]] content of [[liquor]]. Originally, in Britain, 100 proof was defined as 57.1% by volume (no longer used). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid; thus, perfectly pure [[absolute alcohol]] would be 200 proof.
Adjective
- Used in proving or testing.
- Firm or successful in resisting.
- {{lb|en|of alcoholic liquors}} Being of a certain standard as to alcohol content.
Verb
- {{lb|en|transitive|intransitive|colloquial}} To [[proofread]].
- {{lb|en|transitive}} To make [[resistant]], especially to [[water]].
- {{lb|en|transitive|firearms}} To [[test-fire]] with a load considerably more powerful than the firearm in question's rated maximum chamber [[pressure]], in order to establish the firearm's ability to withstand pressures well in excess of those expected in service without [[burst]]ing.
- {{lb|en|transitive|baking}} To allow ([[yeast]]-containing [[dough]]) to [[rise]], especially after it has been shaped
- {{lb|en|transitive|baking}} To test the activeness of ([[yeast]]).
Proper noun
- The 98th [[sura]] (chapter) of the [[Qur'an]].
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.