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

Used in proving or testing. / Firm or successful in resisting. / (of alcoholic liquors) Being of a certain standard as to alcohol content.

(transitive, intransitive, colloquial) To proofread. / (transitive) To make resistant, especially to water.

plural of proof. / Samples of the copy and layout of a printed document for review by the author or a proofreader before mass printing.

Third-person singular simple present indicative form of proof

Suffix added to a noun to form an adjective denoting imperviousness to that noun.

A step in creating yeast breads and baked goods, during which the yeast is allowed to leaven the dough.

present participle of proof

simple past tense and past participle of proof

plural of proofing