From Longman Dictionary of Contemporary Englishmutablemu‧ta‧ble /ˈmjuːtəbəl/ adjective formal CHANGE/BECOME DIFFERENTable or likely to change OPP immutable —mutability /ˌmjuːtəˈbɪləti/ noun [uncountable]
Examples from the Corpus
mutable• It is likely, too, that the chromosomes of all eubacteria are as mutable as that of E. coli.• Truth is a mutable commodity, even among its purveyors.• But in the mutable world of the modern organization, major decisions are seldom made solely on the basis of hard facts.Origin mutable (1300-1400) Latin mutabilis, from mutare; → MUTATE 