Definitions

1. adjective

Having no seal, especially one that is used to make something watertight or to seal a package.

“The sealless pump requires frequent maintenance to prevent leakage.”

2. adjective

Lacking seals, especially in reference to a mammal or a type of marine animal.

“Sealless marine animals are found in colder waters, where their blubber helps to keep them warm.”

3. noun

A person or thing that is without a seal.

“The company has been accused of being sealless in their production process, allowing chemicals to leak into the environment.”