transformable

capricious fickle fluctuating mercurial protean shifting unpredictable unsettled unstable varying volatile

changeful mutable

agitated commutative convertible fitful flighty fluid impulsive inconstant indecisive irregular irresolute irresponsible kaleidoscopic mobile movable permutable restless reversible revocable skittish spasmodic transitional uncertain unreliable unsteady vacillating vagrant variable variant versatile wavering whimsical

calm constant stable steadfast steady unvarying

certain changeless fixed lasting reliable sure unchangeable undeviating

adaptable flexible supple workable

compliant ductile go-with-the-flow governable impressionable manageable moldable plastic pliant putty in hands rolls with punches soft submissive tractable tractile yielding

inflexible rigid stiff unadaptable

firm

adaptable compliant ductile flexible flexile flexuous go-with-the-flow governable impressionable manageable plastic pliable pliant putty in hands rolls with punches soft submissive supple tractable tractile workable yielding