Despite initial doubts, the dome proved to be extremely stable.

Switzerland has had an extremely stable economy and infrastructure for many years and hasn't been at war with another country since 1505.

The frequency of the signal is fixed and extremely stable.

"Certain items in language are extremely stable, like personal pronouns or parts of the human body."

It is good with, and extremely stable around, children and other dogs.

Some other features can be extremely stable (for example, the type of polyphony) and survive major cultural changes.

This indicates their flight was extremely stable, which means it kept on course, and did not dart about much.

This shows that their flight was extremely stable, which means it kept on course, rather than darted about.

The building is extremely stable because the foundation goes all the way down to bedrock.

This approach makes the system extremely stable, but quite slow.