LATIN DICTIONARYLexicon Latīnum
adverb

ultrō

ultrō (not comparable)
Classical[ˈʊɫ.troː]Ecclesiastical[ˈul.tro]

Meaning

  1. not comparableto the farther side, beyond, on the other side
  2. not comparableto and fro, back and forth, on this side and on that
  3. not comparableafar, away, off
  4. not comparablebesides, moreover, too, over and above
  5. not comparableconversely, on the other hand
  6. figurativelynot comparablesuperfluously, gratuitously, wantonly
  7. figurativelynot comparableof one's own accord, without being asked, spontaneously, voluntarily, freely
    Transeuntes autem primam et secundam custodiam, venerunt ad portam ferream, quae ducit ad civitatem: quae ultro aperta est eis. Et exeuntes processerunt vicum unum: et continuo discessit angelus ab eo.And passing through the first and the second ward, they came to the iron gate that leadeth to the city, which of itself opened to them. And going out, they passed on through one street: and immediately the angel departed from him. (Douay-Rheims Bible)c. 347 CE – 420 CE, Hieronymus, Vulgate Actus Apostolorum.12.10 (Translates Greek αὐτομάτη.)
    […] ultro / hortantem et fessas ad pabula nota vocantem[…] freely / calling them and exhorting the weary insects to eat their familiar food.c. 37 BCE – 30 BCE, Vergilius, Georgicon 4.265

Latīnē defined in Latin in our graded readers

ultrō^, adv.,
I. to the farther side, beyond, on the other side.
I. Lit., so most usually in the connection ultro citroque, Cic. Rep. 6, 9, 9; id. Ac. 1, 7, 28; Caes. B. G. 1, 42; Liv. 3, 5, 11; Auct. B. Hisp. 21: ultro et citro, Cic. Off. 1, 17, 56; id. Lael. 22, 85; id. Rosc. Am. 22, 60: ultro ac citro, Varr. R. R. 3, 5, 16; or, without a copula, ultro citro, on this side and on that, this way and that, to and fro, on both sides, mutually, Cic. N. D. 2, 33, 84; Sen. Q. N. 4, 2, 29; Suet. Calig. 19; App. M. 8, p. 211; v. citro; and cf. Hand, Turs. II. p. 87 sqq.—
II. Transf.
A. Of distance, afar, away, off (so only in Plautus): Ty. Proin' tu ab istoc procul recedas. He. Ultro istum a me! Plaut. Capt. 3, 4, 19 Brix ad loc.: ultro istunc, qui exossat homines! id. Am. 1, 1, 164: ultro te amator apage te a dorso meo, id. Cas. 2, 8, 23.—
B. To denote that which is or is done over and above something else, besides, moreover, too: et mulier ut sit libera, atque ipse ultro det argentum, Plaut. Pers. 2, 5, 26: celavit suos cives ultroque eis sumptum intulit, Cic. Fl. 19, 45: cavendo, ne metuant homines, metuendos ultro se efficiunt, Liv. 3, 65, 11: Sex. Naevius, qui, cum ipse ultro deberet, cupidissime contenderet, etc., Cic. Quint. 23, 74; cf.: non debui tibi pecuniam ... ultro a me mutuatus es, Quint. 5, 10, 107; 12, 8, 7 Spald. N. cr.: his lacrimis vitam damus et miserescimus ultro, Verg. A. 2, 145: nunc ultro ad cineres ipsius Adsumus, id. ib. 5, 55 Forbig. ad loc.: ultro animos tollit dictis atque increpat ultro, id. ib. 9, 127.—
2. Trop., superfluously, gratuitously, wantonly: qui ita putant, Sibi fieri injuriam ultro si quam fecere ipsi expostules, Ter. Ad. 4, 3, 4: sibi ultro per contumelias hostem insultare, Liv. 3, 62, 1.—
C. From beyond, from the other side, i. e. without influence or assistance from this side (cf. sponte, whose opposite is external compulsion or aid: ultro facio, non rogatus; sponte facio, non coactus neque adjutus; hence, ultro is esp. freq. with verbs of giving, offering, proposing, approaching, assailing, etc.), on his part, on their part, of himself, of themselves, etc.; of one's own accord, without being asked, spontaneously, voluntarily: Gn. Jam haec tibi aderit supplicans Ultro. Thr. Credin'? Gn. Immo certe. Novi ingenium mulierum: Nolunt, ubi velis: ubi nolis, cupiunt ultro, Ter. Eun. 4, 7, 42 sq.: O audaciam! etiam me ultro accusatum advenit? id. Phorm. 2, 3, 13: monstrum etiam ultro derisum advenit, id. Eun. 5, 2, 21: qui quoniam Erus quod imperavit neglexisti persequi, nunc venis etiam ultro inrisum dominum, Plaut. Am. 2, 1, 40: ut homines Galli spem imperii ultro sibi a patriciis hominibus oblatam neglegerent, id non divinitus factum esse putatis? Cic. Cat. 3, 9, 22: ultro aliquid offerre, id. Planc. 10, 26; cf. Quint. 7, 1, 50: offerendum ultro rati, Liv. 1, 17, 8: offerentibus ultro sese militibus, id. 27, 46, 3: cum id, quod antea petenti denegasset, ultro polliceretur, Caes. B. G. 1, 42: omnia ei ultro pollicitus sum, Planc. ap. Cic. Fam. 10, 21, 1: nec mihi quicquam tali tempore in mentem venit optare, quod non ultro mihi Caesar detulerit, Cic. Fam. 4, 13, 2: has (tabulas) donavit his ultro, Quint. 5, 10, 111: subinvideo tibi, ultro te etiam arcessitum ab eo, of his own motion, Cic. Fam. 7, 10, 1: ultroque animam sub fasce dedere, Verg. G. 4, 204: quod divom promittere nemo Auderet, volvenda dies, en, attulit ultro, id. A. 9, 7: ultro ad terram concidit, id. ib. 5, 446: ultro ad me venit, Ter. And. 1, 1, 73; id. Eun. 1, 1, 2; Pers. 5, 172: ad aliquem ultro venire, Cic. Fam. 7, 21; cf. id. Fin. 2, 18, 58: quod occurrit ultro, Quint. 7, 1, 59: interrogantibus libenter respondeat, non interrogantes percontetur ultro, id. 2, 2, 6: quemadmodum impetum occupemus facere ultro in regem, Att. ap. Non. 355, 11: cum rex ab Attalo et Rhodiis ultro se bello lacessitum diceret, num Abydeni quoque, inquit, ultro tibi intulerunt arma? Liv. 31, 18, 2; 21, 1, 3; 1, 17, 8; 2, 13, 2: ne collegae auxilium, quod acciendum ultro fuerit, suā sponte oblatum sperneretur, id. 10, 19, 1 Weissenb. ad loc.: Cappadocem illum non modo recipiebat (Asia) suis urbibus, verum etiam ultro vocabat, Cic. Fl. 18, 61.—So, ultro tributa (and sometimes written as one word, ultrotributa), expenditures made by the State for public works, Varr. L. L. 6, § 11 Müll.; Liv. 39, 44, 2; 43, 16, 2 and 7.—Trop.: virtus saepius in ultro tributis est, gives rather than receives, Sen. Ben. 4, 1, 2.

Origins

From the masculine ablative singular of Proto-Italic *olteros, whence ulter. Ultimately from Proto-Indo-European *h₂el-.

Quick answers

What does ultrō mean in Latin?
ultrō, a adverb, means “to the farther side, beyond, on the other side; to and fro, back and forth, on this side and on that; afar, away, off”.
How do you pronounce ultrō?
In classical Latin, [ˈʊɫ.troː]; in ecclesiastical (church) Latin, [ˈul.tro].