indurandusDictionary entriesinduro, indurare, induravi, induratus:Verb · 1st conjugationFrequency:Lesser= make hard;Entry →nom. sg. fut. pass. part.ExamplesLiber VLucius Annaeus Seneca (Seneca the Younger) from EPISTULAE MORALES AD LUCILIUM"...agere debemus ut irritamenta vitiorum quam longissime profugiamus; indurandus est animus et a blandimentis voluptatum procul abstrahendus..."