seal
Close something securely
To close something tightly so air, liquid, or other things cannot get in or out.
to seal [something]
- Please seal the envelope before you mail it.
- The jar was sealed to keep the jam fresh.
- They sealed the box with tape before shipping it.
- Seal the bag so the food stays fresh.
- Please seal the door when you leave.
- He sealed the bottle with a cap.
Marine animal with flippers
A large animal that lives in the sea, has flippers, and can live on land for short times.
- We saw a seal basking on the rocks.
- The seal dived into the icy water.
- Seals can hold their breath for long periods.
- The seal is swimming in the sea.
- I saw a baby seal on the beach.
- Seals have strong flippers.
Official stamp or emblem
A special mark or stamp used to show something is real or approved by an authority.
- The certificate bore the university's official seal.
- He broke the wax seal on the letter.
- The document must have the company seal to be valid.
- The letter had a red wax seal.
- The paper has an official seal from the city.
- A gold seal was on the award.
Give formal approval to something
To officially approve something so it is final.
to seal [an agreement/a deal]
- The leaders sealed the peace agreement with a handshake.
- They sealed the deal after weeks of negotiation.
- Her victory sealed her reputation as a top athlete.
- They sealed the deal after talking.
- The two sides sealed the agreement.
- The win sealed his place in the team.
Tight closure preventing passage
Something that closes a container so nothing can get in or out.
- The jar's rubber seal kept the contents fresh.
- Check the door seal for any damage.
- A broken seal can cause leaks.
- The bottle has a plastic seal.
- The door has a rubber seal.
- The bag's seal is broken.
- Base: seal
- Plural: seal, seals
- Base: seal
- 3rd Person Singular: seals
- Present Participle: sealing
- Past: sealed
seal the deal
1Successfully finalize an agreement
To make an agreement final and official.
- They sealed the deal with a handshake.
- A lower price offer helped them seal the deal.
sealed with a kiss
1Closed with affectionate kiss mark
When you kiss something before giving it away, often as a romantic gesture.
- She sent him a letter, sealed with a kiss.
- The envelope was sealed with a kiss and perfume.
signed and sealed
1Officially confirmed and complete
When something is fully agreed and made official.
- The contract is signed and sealed.
- It’s all signed and sealed now—no going back.
seal of approval
1Official endorsement or acceptance
An action or statement showing someone approves of something.
- The project got the manager’s seal of approval.
- Winning the award gave her work a seal of approval.
seal of approval
2official support statement
A sign or statement that shows something is officially accepted or supported.
- The product received the FDA's seal of approval.
- Her mentor's praise was the seal of approval she needed.