per-māgnus adj., very great, vast, immense: hereditas: numerus, Cs.: tua res permagna agitur, interests: negotia, H.

—As subst n., a very great thing: permagnum existimans (with acc. and infin.): permagni interest, it is of vast moment: illud permagni referre arbitror, T.: decumas permagno vendere, at a very high price.