LATIN DICTIONARYLexicon Latīnum
English → Latin

“serene” in Latin

The English word serene itself goes back to Latin sērus, through *serānum.

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

serene
serenus (clear, cloudless; of the sky and weather; rarely figuratively in prose; as Cic., Tusc., 3, 15, 31, frons tranquilla et serena): sudus (not damp or rainy; of the atmosphere and weather): clarus, pellucidus (clear, transparent; of glass, etc.): tranquillus (of internal tranquillity): laetus: hilaris or hilarus (cheerful; opposed to tristis, of persons). A serene sky, serenum: serenitas: sudum. In a serene sky, sereno; serenitate; ubi serenum, sudum est. Serene highness, serenitas (us a title of the emperors, Veg.).

Quick answer

What is the Latin word for serene?
The usual Latin words for “serene” are serēnus, sūdus, clārus; also pellūcidus, tranquillus, laetus. 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.