changeable

US /ˈtʃeɪn.dʒə.bəl/
UK /ˈtʃeɪn.dʒə.bəl/
"changeable" picture
1.

liable to change or to be changed; variable

:
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The weather in the mountains is very changeable.
•
Her mood is quite changeable, so be careful.
:
variableunpredictableunstableficklemercurial
:
changeability