Supererogatory

Definition:

• (a.) Performed to an extent not enjoined, or not required, by duty or necessity; as, supererogatory services.

Compare supererogatory with other words:

supererogant vs. supererogatory

supererogate vs. supererogatory

require vs. supererogatory

supererogation vs. supererogatory

supererogatory vs. supernumerary