Definition
Something stable holds its state: pushed or shaken, it settles back rather than tipping over or spiralling away. A stable government survives shocks; a stable ladder does not wobble; a stable mood is not thrown by small upsets. The key idea is a restoring tendency — not the absence of force, but the capacity to return to rest after one. The Latin root stabilis, 'able to stand', sits behind 'stand', 'stable', and 'establish' alike.
Examples
Collocations
a stable economy·financially stable·a stable relationship·remain stable·in a stable condition
Synonyms
steady·firm·secure·solid·settled
Antonyms
volatile·precarious·unstable·erratic
Word family
stability (noun)·stabilize (verb)·stabilization (noun)·unstable (adjective)
In TOEFL & IELTS
A workhorse adjective across TOEFL/IELTS topics — economies, ecosystems, patients ('in a stable condition'). It pairs naturally as the opposite of volatile and precarious in contrast structures. Promote the noun stability and the verb stabilize in academic writing ('measures to stabilize the currency'). Note that stable is also a noun (a building for horses) — context disambiguates.