1sta·ble 
/ˈsteɪbəl/ adjective
sta·bler; sta·blest /ˈsteɪbəl/ adjective [also more stable; most stable] 1 a : in a good state or condition that is not easily changed or likely to change
▪ a stable community/government ▪ They have a stable relationship. ▪ Children need to be raised in a stable environment. ▪ a stable income ▪ The economy is stable.
b medical : not getting worse or likely to get worse
▪ The patient is stable. ▪ (US) She is in stable condition after suffering multiple injuries. = (Brit) She is in a stable condition after suffering multiple injuries. 2 : not easily moved
▪ Make sure the platform is stable. ▪ The ladder doesn't seem very stable. [=secure] 3 : emotionally or mentally healthy : calm and reasonable
▪ a mentally/emotionally stable person 4 technical : having a chemical structure or physical state that does not change easily
▪ a stable compound/element
▪ a stable community/government ▪ They have a stable relationship. ▪ Children need to be raised in a stable environment. ▪ a stable income ▪ The economy is stable.
b medical : not getting worse or likely to get worse
▪ The patient is stable. ▪ (US) She is in stable condition after suffering multiple injuries. = (Brit) She is in a stable condition after suffering multiple injuries.
▪ Make sure the platform is stable. ▪ The ladder doesn't seem very stable. [=secure]
▪ a mentally/emotionally stable person
▪ a stable compound/element
