ĭn-argūtus — Lewis & Short
ĭn-argūtus, a, um, adj.,
I not acute, without acuteness (post - class.):
sententia non inarguta,Dig. 7, 5, 5, § 1.—Adv.: in-argūtē, not acutely:
non mehercule inargute nec incallide opposuisti hoc Tullianum,Gell. 12, 13, 19.