He was holding a smoking gun, that's all the proof I need.

His dancing was proof that he had no sense of rhythm.

The crops are protected by insect-proof nets.

It seems that nothing on the internet is proof against determined hackers.

The proof of courage is in facing up to our worst fears.

The bottle says this vodka is 80 proof.

The teacher asked me to go through the proof of Pythagoras' Theorem.

The manuscript's here. Which of our readers is going to proof?

I will proof the leather boots with silicone spray.

The first few pages printed are used to proof the copy.

The article was proofed by the sub-editor before it went to the printer.

The scientist attempted to prove his theory.

His conclusion proved false.

The detective's hunch proved to be right.

Allow the dough to prove for two hours before shaping it into a loaf.

You will need to prove the dough before baking it.

To prove the theorem, you must show your work.

The will was proved by his widow.

With his older siblings being high achievers, James feels he has to prove himself.

The President's car is fitted with bulletproof glass.

He is alive today because a bulletproof vest stopped the bullet that was meant to kill him.

Under the law of this country, the burden of proof lies with the person making an accusation.

We need to install a draughtproof door on the garage.

Since draught-proofing the windows and doors, my heating bill's gone down by 10%.

You will receive galley proofs in about three weeks.

The accuser has proof to back up her accusations.

The proof sheets had several typographic errors which were corrected in the final printing.

I hired a proofreader to look over my short stories before I submitted them.

The door was fitted with a tamper-proof lock.