A warm, waterproof jacket is the first thing you need for mountain walking.
The Gore-tex fabric manages to be completely waterproof, and yet allows body moisture to escape.
Thesaurus
Longman Language Activatorsomething that does not let water pass through it►waterproof
something such as a container or material that is waterproof does not let water pass through it: · A warm, waterproof jacket is the first thing you need for mountain walking.· The Gore-tex fabric manages to be completely waterproof, and yet allows body moisture to escape.· a waterproof watch
►watertight
something such as a box or roof that is watertight does not let water pass through it so that what is inside does not get wet: · The cameras had been stored in watertight containers.· Most wooden ships were watertight in harbour, but they all leaked when they got out to sea.
Collocations
COLLOCATIONS FROM THE ENTRY►make ... waterproof
Rub the wax in to make the shoe waterproof.
COLLOCATIONS FROM OTHER ENTRIES►waterproof clothing
· Always take a map, a compass, and waterproof clothing.
►a waterproof coat
· I took my walking boots and a waterproof coat.
COLLOCATIONS FROM THE CORPUSNOUN►jacket
· It also weighs in as the most comfortable waterproof jacket I've worn.· Finally, I think I detected a lengthening of some waterproof jackets - fashion or function?· In the past, this was countered with cotton Ventile jackets and waterproof jackets.· Turn to page 31 to find out how you could win a fantastic Phoenix tent, waterproof jacket, or fleece jacket.· Clive had insisted she wear it, together with a waterproof jacket, on the flight over.· Always take at least one heavy, woollen pullover with you, and a warm waterproof jacket.· Many of the waterproof jackets that are designed for both town and country use are inevitably compromises.
not allowing water to enter: a waterproof jacket waterproof adhesive Rub the wax in to make the shoe waterproof.—waterproof verb [transitive]: Plastic sheeting was used to waterproof the shed.—waterproofed adjective [only before noun]: a waterproofed sack