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
Main entry: changeable, mutable
Definition: capable of or tending to change in form or quality or nature
Usage: a mutable substance; the mutable ways of fortune; mutable weather patterns; a mutable foreign policy
Antonyms: immutable, changeless
Definition: not subject or susceptible to change or variation in form or quality or nature
Main entry: unsettled, uncertain, changeable
Definition: subject to change
Usage: a changeable climate; the weather is uncertain; unsettled weather with rain and hail and sunshine coming one right after the other
Antonyms: invariable
Definition: not liable to or capable of change
Main entry: changeable, chatoyant, iridescent, shot
Definition: varying in color when seen in different lights or from different angles
Usage: changeable taffeta; chatoyant (or shot) silk; a dragonfly hovered, vibrating and iridescent
Antonyms: colorless, colourless
Definition: weak in color; not colorful
Antonyms: colorless, colourless
Definition: lacking in variety and interest