🇬🇧 Seal meaning: English Vocabulary Flash Card

A seal is something like a tight strip of rubber, plastic, or another material that is put around the edge of a door, window, pipe, or lid so that no water, air, or other liquid or gas can sneak through the tiny spaces.

The door seal was so old that even a polite breeze could walk straight into our living room.

The cookie jar had such a strong seal that even the smell of cookies couldn’t escape to call my name.

When the shower seal failed, the water decided the entire bathroom floor needed a bath too.

The bottle promised to be leak-proof, but its seal clearly never signed that contract.

A good seal is so important in submarines and spaceships that even a tiny leak can be dangerous, which is why engineers test those seals over and over again.

Rain dripped into the small boat through a crack. She found a rubber seal in the kit. The old seal had come loose; she pressed the new seal over the gap. Two thin seal pieces sat across the crack, and the water stopped. She smiled at the tight seal and rowed home.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.