расточительно
nequiter (aliquid facere;
порожний
vacuus [a, um]
сферичность
sphaericitas [atis, f]
decrepitus [a, um] ; aetate confectus [a, um] ; vietus [a, um] (senex); vetus [e]ris; imbecillis [e]; cariosus [a, um] (carisa senectus);
+ дряхлый старик silicernium;