stable

adjective

/ˈsteɪ.bl̩/

Definition

C1 firmly fixed or not likely to move or change: If the foundations of the house aren't stable, collapse is possible. After several part-time jobs, he's now got a stable job in a bank. The hospital said she was in a stable condition (= not likely to get worse) following the operation.Keeping and staying the sameNot able to be changed C1 describes someone who is mentally healthy: She seems more stable these days.Calm and relaxed › specialized describes a substance that keeps the same chemical or atomic stateTypes of chemicalSpecific chemicals, chemical compounds and gasesSubstances and structures in the body

(Definition of stable adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)