mutable

Capable of or subject to change or alteration.

Prone to frequent change; inconstant.

Tending to undergo genetic mutation.

Capable of being altered in form, qualities, or nature; subject to change; changeable.

Changeable or inconstant in mind or feelings; unsettled; unstable; liable to change.

Synonyms Alterable.

Unsteady, wavering, variable, irresolute, fickle, vacillating.

Capable of alteration; subject to change; changeable in form, qualities, or nature.

Changeable; inconstant; unsettled; unstable; fickle.