seal

//siːl//
B1Frequency Level 8Neutral
Visual representation of seal

Noun

sealSingular
sealsPlural
1

A large marine mammal with flippers and a streamlined body, found in cold and temperate seas.

We saw seals swimming in the cold ocean water.

Synonym

Noun

sealSingular
sealsPlural
1

A device or substance used to close an opening tightly so that air, liquid, or other substances cannot pass through.

The rubber seal prevents water from leaking out of the container.

2

An emblem, symbol, or official mark stamped on a document to show authenticity or approval.

The document bears the official seal of the government.

Verb

sealInfinitive
sealPresent tense
sealedPast tense
sealedPast participle
sealingPresent participle
sealsThird-person singular
1

To close or fasten something securely, especially to prevent air, liquid, or other substances from entering or escaping.

Make sure to seal the container tightly to keep the food fresh.

2

To apply an official mark or stamp to a document to authenticate it.

The lawyer sealed the contract with an official stamp.

3

To decide or settle something definitively.

The victory sealed their place in the finals.

Antonym