Evidence or argument establishing a fact or the truth of a statement.

A test or trial to determine the reliability or validity of something.

परीक्षण

English Usage: The scientist conducted a proof of concept to validate her theory.

Hindi Usage: वैज्ञानिक ने अपने सिद्धांत को मान्य करने के लिए परीक्षण किया।

To establish the truth or validity of something.

To make something resistant to a particular condition, e.g. waterproofing.

रोकना

English Usage: We need to proof the roof so it doesn't leak during the rain.

Hindi Usage: हमें छत को रोकना चाहिए ताकि बारिश के दौरान यह लीक न हो।

Able to withstand something; resistant.

प्रतिरोधी

English Usage: This jacket is waterproof and proof against strong winds.

Hindi Usage: यह जैकेट जलरोधक है और तेज हवाओं के खिलाफ प्रतिरोधी है।