ob-struō (opstr-) ūxī, ūctus, ere, to build against, build up, block, stop up, bar, barricade, make impassable: novum murum, L.: frontem castrorum auxiliis, L.: turrīs, Cs.: luminibus eius: valvas aedis, N.: obstructa saxa, placed in the way, O.

—Fig., to stop up, hinder, impede, obstruct: Catonis luminibus obstruxit haec oratio, was a hinderance to: viri deus obstruit aurīs, renders inexorable, V.: huic spiritus oris obstruitur, V.: perfugia improborum, shuts off.