Open English Wordnet
Adjectives
(a)mutable, changeablecapable of or tending to change in form or quality or nature“a mutable substance”, “mutable weather patterns”, “a mutable foreign policy”
(a)changeable, changefulsuch that alteration is possible; having a marked tendency to change“changeable behavior”, “changeable moods”, “changeable prices”
(s)changeable, uncertain, unsettledsubject to change“a changeable climate”, “the weather is uncertain”, “unsettled weather with rain and hail and sunshine coming one right after the other”
(s)changeable, chatoyant, iridescent, shotvarying in color when seen in different lights or from different angles“changeable taffeta”, “chatoyant (or shot) silk”, “a dragonfly hovered, vibrating and iridescent”