leakproof

[leek-proof]

adjective

1. designed to prevent leaking.

   a leakproof bottle.

Word History and Origins

Origin of leakproof¹

First recorded in 1925–30; leak + -proof

Example Sentences

Completely leakproof and available in three sizes, they’re perfect for storing hair care, skincare, or any travel necessities.

Read more on Salon

Stanley’s various size, color and design tumblers are uniformly marketed as durable, leakproof and insulated, keeping drinks hot or cold for hours.

Read more on Seattle Times

Second, if you’re ever on the cusp of leaving an event but don’t want to abandon your beverage, I recommend a leakproof Mason jar.

Read more on Washington Post

Last May, to the astonishment of many, Politico published an authentic draft of the usually leakproof Supreme Court’s majority opinion overturning Roe v.

Read more on Washington Post

Plus, it has spots to hitch side bags, water bottles and carabiners, and even the zipper is leakproof.

Read more on Los Angeles Times