Translate stable | into French | into German | into Italian | into Spanish Definition of stable
adjective (stabler, stablest)
not likely to change or fail; firmly established:a stable relationship prices have remained relatively stable (of a patient or a medical condition) not deteriorating in health after an injury or operation:he is now in a stable condition in the hospital (of a person) sane and sensible; not easily upset or disturbed:the officer concerned is mentally and emotionally stable (of an object or structure) not likely to give way or overturn; firmly fixed:specially designed dinghies that are very stable not liable to undergo chemical decomposition, radioactive decay, or other physical change.