- present participle of proof.
proofing
Americannoun
-
the act or process of making a thing resistant, as in waterproof fabrics or fireproof material.
-
any chemical used in the manufacture of a substance to make it proof against water, fire, etc.
Etymology
Origin of proofing
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
We are not looking for a $76 grocery bill for a single meal, a sink full of mixing bowls or several hours spent laminating and proofing dough before anyone else wakes up.
From Salon ● Jul. 20, 2026
Existing state law requires landlords to maintain certain “standard characteristics” for a dwelling unit including adequate hot and cold running water, heat, and weather proofing.
From Los Angeles Times ● Oct. 8, 2025
Amazon believes the new chip offers a path to scaling up to more powerful machines with this type of error proofing built in, but researchers admit there are many challenges ahead.
From BBC ● Feb. 27, 2025
The Barrett campaign described this as a simple proofing screw-up and said that the team had been working off of a template used ahead of the state’s Aug. 6 primary.
From Slate ● Oct. 19, 2024
The only similarity between the rest of the town and the church is the small windows covered with iron bars, but the shambler proofing is barely noticeable on such an impressive building.
From "Dread Nation" by Justina Ireland
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.