LATIN DICTIONARYLexicon Latīnum
English → Latin

“declare” in Latin

The English word declare itself goes back to Latin clārus, through dēclārō.

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

declare
To make known, declarare (to make the existence of anything perceived, whether a sensible object or a feeling; also with accusative and infinitive or dependent interrogatory clause): exponere, or expromere; e.g., one’s opinion, quid sentiam: sententiam suam aperire, dicere; clearly about anything, accuratius exponere de re; fully, pluribus verbis disserere de re.
To proclaim, prodere (of the response of an oracle): indicere (e.g., bellum): denunciare (in a threatening manner; e.g., bellum) [☞ declarare bellum is barbarous] : pronunciare (by word of mouth. Curio pronunciare - jubet - se in hostium habiturum loco, qui, etc., Caes., B.C., 2, 25): to declare anybody anything, declarare, appellate, with a double accusative following (e.g., aliquem regem): to declare or pronounce anybody anything, judicare (e.g., aliquem hostem, proditorem patriae); anybody consul, aliquem dicere, or declarare, or renunciare consulem; emperor, aliquem imperatorem salutare (post-Augustan); anybody king, aliquem regem appellare (Caes.); declarare (Liv.); anybody one’s heir, beredem aliquem scribere or instituere; an outlaw, proscribere aliquem: to declare himself a candidate, ostendere se candidatum (Suet.): to declare null and void, infirmare; irritum facere; abolere (especially a law): to declare one’s self conquered, victum se profiteri; manus dare: to declare one’s opinion in favor of anything, aliquid accipere, probare: against anything, rem recusare, or detrectare; rem improbare: to declare on oath, *juratum aliquid affirmare: to declare in writing, litteris or per litteras significare: the victory declares itself by the omens, victoria se ostendit ominibus.
declare
INTRANS.,
Assert, affirm, affirmare: confirmare: contendere: dicere: asseverare: profiteri [SYN. in ASSERT, AFFIRM]. To declare for anybody, alicujus partes sequi; in alicujus partes transire (to join anybody’s party): to declare against anybody, inimicum se alicui ostendere: to declare off, renunciare aliquid (e.g., conductionem, etc., also aliquid alicui; e.g., societatem alicui, Liv., 38, 31): victory declares for, etc., victoria penes aliquem est (e.g., penes patres, Liv.): victoria ad aliquem venit (e.g., ad meliores, Cic.): victoria alicujus est; or aliquis victoriam obtinet; victoria potitur.

Quick answer

What is the Latin word for declare?
The usual Latin words for “declare” are dēclārō, expōnō, exprōmō; also prōsum, indicō, dīcō. 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.