ultro

From Latin ulter, originally the masculine ablative.

• (Classical Latin) IPA^(key): /ˈul.troː/,
• (modern Italianate Ecclesiastical) IPA^(key): /ˈul.tro/,

ultrō (not comparable)

1. to the farther side, beyond, on the other side

   Synonym: ultrā

   Antonyms: citrā, hinc

2. (with citro) to and fro, back and forth, on this side and on that
3. afar, away, off
4. besides, moreover, too, over and above

   Synonym: īnsuper

5. conversely, on the other hand
6. (figuratively) superfluously, gratuitously, wantonly
7. (figuratively) of one's own accord, without being asked, spontaneously, voluntarily, freely
   • 405 CE, Jerome, Vulgate Actus Apostolorum.12.10, (Translates Greek αὐτομάτη.):

     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. 37 BCE – 30 BCE, Virgil, Georgics 4.265:

     ultro / hortantem et fessas ad pabula nota vocantem

     freely / calling them and exhorting the weary insects to eat their familiar food.

• ultrōneus

• “ultro”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “ultro”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• ultro in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • on this side and on that; to and fro: ultro citroque
    
  • to be the aggressor in a war; to act on the offensive: bellum or arma ultro inferre