Main entry: changeable, changeful
Definition: such that alteration is possible; having a marked tendency to change
Usage: changeable behavior; changeable moods; changeable prices
Antonyms: unchangeable
Definition: not changeable or subject to change
Antonyms: stabile
Definition: a sculpture having fixed units (usually constructed of sheet metal) and attached to a fixed support
Antonyms: immobile
Definition: not capable of movement or of being moved
Antonyms: irreversible
Definition: incapable of being reversed
Antonyms: nonreversible, one-sided
Definition: not reversible or capable of having either side out
Antonyms: nonvolatile, nonvolatilisable, nonvolatilizable
Definition: not volatilizing readily
Antonyms: stable
Definition: resistant to change of position or condition