non-conservative
/ˌnɒnkənˈsəːvətɪv/adjective
1Not conservative in outlook, belief, or habits.
2 Physics. Of a force, field, system of particles, etc.: such that the work done in moving a particle from one point to another depends on the path taken.
Origin
Mid 19th century; earliest use found in The Ladies' Repository. From non- + conservative.