1. not conservative; favoring social, political, or economic change or reform
Usage: often used in political contexts
2. (physics) relating to a force or system in which energy is not conserved or mechanical energy is dissipated
Usage: technical; used in physics and engineering

Examples

• The nonconservative members of the party pushed for healthcare reform.
• She holds nonconservative views on environmental policy.
• In a nonconservative force field, mechanical energy can be lost to heat or friction.
• The nonconservative approach to education emphasizes innovation over tradition.
• Friction is a nonconservative force because it dissipates kinetic energy.
• The organization attracted nonconservative donors who supported progressive causes.