LATIN DICTIONARYLexicon Latīnum
English → Latin

“formal” in Latin

The English word formal itself goes back to Latin fōrma, through fōrmālis.

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

formal
sollemnis (solemn): verus (true, real): justus (proper; such as it ought to be): legitimus (according to the established custom or law): fictus et simulatus or fictus simulatusque (pretended; e.g., pietas): ad legem ac regulam compositus (made by strict formal rules, Quint., 12, 10, 50): ☞ formalis = serving for a form or model, Quint.; e.g., formalem epistolam dictare (Suet.). A formal person, *homo nimis officiosus or urbanus (over-ceremonious).

Quick answer

What is the Latin word for formal?
The usual Latin words for “formal” are sollemnis, vērus, iūstus; also lēgitimus, urbānus. 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.