NECESSARILY Copy link • NECESSARILYnecessario; very seldom necessarie (e.g., demonstrari = irresistibly): ex necessitate (of necessity). “Necessarily” is often best translated by necesse est, with a verb in the subjunctive, ut being omitted; luxury necessarily begets avarice, ex luxuria exsistat avaritia necesse est. This was necessarily so, aliter hoc fieri non poterat.