LATIN DICTIONARYLexicon Latīnum
English → Latin

“alter” in Latin

The English word alter itself goes back to Latin alter, through alterō.

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

alter
Transitively, mutare: commutare (aliquid in aliqua re, of a thing that exists independently, as a house, etc.: de aliqua, re, of what does not exist independently, as manners, customs, etc.): immutare (mostly of an entire change): submutare (of a partial change): novare (to give anything a new shape): emendare, corrigere (improve by an alteration; emendare may be said of removing one or more errors, corrigere of making what was altogether bad good): variare (to vary by changing; e.g., fortunam, animos, etc.): invertere (to turn round: give a wrong turn to; e.g., corrupt the character): interpolare (to falsify anything by altering its appearance). To alter anything written, a speech, etc., orationem, etc., rescribere: a will, testamentum mutare (general term): testamentum rescindere (to cancel it; of the testator: testamentum resignare is, to open a will): to alter a line of march, iter or viam fleetere; iter convertere: a plan, consilium mutare or commutare: one’s life, manner of life, morum institutorumque mutationem facere (opposed to instituta sua tenere): one’s custom, consuetudinem mutare: one’s disposition, novum sibi induere ingenium (Liv., 3, 33): one’s character, morum mutationem or commutationem facere (general term) - mores emendare (for the better); mores invertere (for the worse): what can still be altered, quod integrum est: what is done can not he altered, factum infectum fieri non potest (Tac.).
To be altered. Vid. ALTER, intransitive.
alter
Intransitively, mutari: commutari: immutari (Syn. in preceding word): variare (to change backward and forward; especially of the weather): converti (to change round, whether for better or for worse: of fortune, plans, etc.): to change (of men, their characters, etc.): se invertere (for the worse): in melius mutari, ad bonam frugem se recipere (for the better). Vid :, also, to alter the character, in ALTER, transitive. Not to alter, sibi constare, a se non decedere. He has not altered, non alius est ac fuit; est idem qui fuit semper: antiquum obtinet. He is quite altered, commutatus est totus. You must hegin today to be an altered man, hie dies aliam vitam defert, alios mores postulat (Ter.). Men are altered, homines alii facti sunt. Times and opinions are altered, magna facta est rerum et animorum commutatio. Every thing is altered, versa sunt omnia. Which can not now be altered, quod non integrum est.

Quick answer

What is the Latin word for alter?
The usual Latin words for “alter” are mūtō, commūtō, immūtō; also submūtō, novō, ēmendō. 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.