What is the Latin word for substantially?

The usual Latin words for “substantially” are nātūra, genus, sēparō. The right choice depends on the sense; see the distinctions below.

English → Latin

“substantially” in Latin

nātūrathe nature, quality, substance or essence of a thing; character, temperament, inclination, disposition; nature, the natu genusbirth, origin, lineage, descent; kind, type, class; species (general classification, as of living things), taxon (of ani sēparōto divide, separate; to distinguish

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

substantially

re: natura: genere. Substantially different, ipsa natura diversus, separatus.

Quick answer

What is the Latin word for substantially?: The usual Latin words for “substantially” are nātūra, genus, sēparō. 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.