in·stabil·ityAWBrE/ˌɪnstəˈbɪləti/NAmE/ˌɪnstəˈbɪləti/noun[U, C, usually pl.] (in·stabil·ities) thequalityofasituationinwhichthingsarelikelytochangeorfailsuddenly不稳定;不稳固◆politicalandeconomicinstability政治和经济的不稳定amentalconditioninwhichsb'sbehaviourislikelytochangesuddenly(精神的)不稳定状态,变化无常◆mental/emotionalinstability精神/情绪的不稳定OPPstability➡ see alsounstable