What is the Latin word for necessarily?

The usual Latin words for “necessarily” are necessārius, dēmōnstrō. The right choice depends on the sense; see the distinctions below.

English → Latin

“necessarily” in Latin

necessāriusunavoidable, inevitable; indispensable, requisite; necessary dēmōnstrōto show, demonstrate, prove; to point out; to draw attention to

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

necessarily

necessario; 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.

Quick answer

What is the Latin word for necessarily?: The usual Latin words for “necessarily” are necessārius, dēmōnstrō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.