- liable or subject to change or alteration.
- given to changing; constantly changing; fickle or inconstant: the mutable ways of fortune.
- (in object-oriented programming) of or noting an object having properties whose values can change while the object itself maintains a unique identity.
- able to or tending to change
- of or relating to four of the signs of the zodiac, Gemini, Virgo, Sagittarius, and Pisces, which are associated with the quality of adaptability
