nūgālis — Lewis & Short
nūgālis, e, adj.nugae,
I frivolous, trifling, worthless, empty (post-class.):
theoremata,Gell. 1, 2, 6; Mart. Cap. 1, § 2 Kopp (al. nugalas):
scholica quaedam,id. 4, 1, 1; 7, 17, 3:
illa olim nugalia conscripsi,trifles, bagatelles, Front. de Fer. Als. 3 Mai.