: not stable : not firm or fixed : not constant: such as. a : not steady in action or movement : irregular an unstable pulse. b : wavering in purpose or intent : vacillating. c : lacking steadiness : apt to move, sway, or fall an unstable tower.

What is the meaning of being stable?

The definition of stable is something steady that is not prone to change, someone who is level headed and who isn't subject to wild swings of emotion. An example of stable is a product that has a steady and unchanging price. An example of stable is a person who has a good handle on her life and her emotions. adjective.

What is another meaning of stable?

Some common synonyms of stable are durable, lasting, and permanent. While all these words mean "enduring for so long as to seem fixed or established," stable implies lastingness because of resistance to being overturned or displaced.