Definitions

1. adjective

resistant to or preventing the formation of odors

“The odorproof bag was used to store clothes that had been worn during a hike.”

2. adjective

designed to prevent the escape of odors

“The company developed odorproof packaging for their food products.”

3. noun

a product or material that prevents the formation or escape of odors

“The store sells odorproof bags and containers for storing chemicals.”