When choosing which restaurant to support, remember the proof is in the eating: try the food yourself before judging.

The network's security relies on proof-of-work to validate transactions.

We installed a squirrel-proof feeder to keep the backyard birds safe.

The soot-proof coating kept the restored fireplace looking clean after decades of use.

They installed storm-proof shutters to protect the windows during hurricane season.

The new deck locks are sailor-proof, designed to withstand even the roughest crew handling.

I bought a water-proof jacket for the rainy season.

The drop-proof phone slipped out of my hand and fell off the kitchen counter, but the screen didn't crack.

We installed a new dingo-proof fence around the lambing paddock to protect the flock.

They dummy-proofed the new thermostat so elderly residents could use it safely.