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proof

 
 
pronunciation:
pruf
parts of speech:
noun, adjective, verb
part of speech: noun
definition: Proof is anything that proves or shows that something is true or real.
Olivia thinks that I took her headband, but I have proof that I didn't because Nicole is wearing it right now.Scientists are searching for proof of life on other planets.
similar words:
evidence, support
 
part of speech: adjective
definition: If your boots are proof against snow and rain, it means that your boots don't let in snow and rain. They keep your feet dry. If something is proof against something, it doesn't allow it to get in.
Monica's jacket is proof against rain and wind, so it keeps her very warm.
similar words:
treated, waterproof
 
part of speech: verb
inflections: proofs, proofing, proofed
definition 1: When you proof your tent against water, you do something to make it keep out water.
We proofed our snow fort so that no one's snowballs could break it.
definition 2: When you proof your homework, you read it and look for mistakes.
Ashley asked her older brother to proof her essay before handing it in to her teacher.