non-renewable

Universal Words adjective (of natural RESOURCES such as gas or oil) 1 that cannot be replaced after use: the need to protect non-renewable resources * non-renewable energy sources * Fossil fuels are non-renewable and rapidly running out. 2 that cannot be continued or repeated for a further period of time after it has ended: a non-renewable contract / lease * The post is a fixed-term non-renewable appointment. OPPRENEWABLE