точныйcertus [a, um]
укры(ва)тьsubripere [io, repi,
отпадатьdelabi [or, lapsus
arcanus [a, um];absconditus [a, um];tacitus [a, um] (aliquid tacitum relinquere, tenere;judicium;vulnus);secretus [a, um];occultus [a, um];abditus [a, um];obscurus [a, um];