mutablenessnoun · Level 3 SAT1the quality of being capable of mutationThe mutableness of the law surprised scholars who had considered it settled doctrine.ModuleLevel 3Registeracademic, contrast, literaryCollectionCollection 042SAT Complete planAlso in Collection 042idiosyncrasy, incoherence, preference, periphrasis, threnody, gentile, apologue, habituation and 1 more