changeable

(a) capable of or tending to change in form or quality or nature
- a mutable substance
- the mutable ways of fortune
- mutable weather patterns
- a mutable foreign policy
mutable,
(a) such that alteration is possible; having a marked tendency to change
- changeable behavior
- changeable moods
- changeable prices
changeful,
(s) subject to change
- a changeable climate
- the weather is uncertain
- unsettled weather with rain and hail and sunshine coming one right after the other
unsettled, uncertain,
(s) varying in color when seen in different lights or from different angles
- changeable taffeta
- chatoyant (or shot) silk
- a dragonfly hovered, vibrating and iridescent
chatoyant, iridescent, shot,

mutable changeful unsettled uncertain chatoyant iridescent shot

changeless immutable unchangeable

changeableness