alacer

Uncertain origin, but possibly from a Proto-Indo-European root shared with Germanic *aljaną (“vigor, strength”), see English ellen. Compare also Ancient Greek ἐλαύνω (elaúnō, “to drive”). (Can this⁽⁺⁾ etymology be sourced?)

• (Classical) IPA^(key): /ˈa.la.ker/, [ˈäɫ̪äkɛr]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈa.la.t͡ʃer/, [ˈäːlät͡ʃer]

alacer (feminine alacris, neuter alacre, comparative alacrior); third-declension three-termination adjective

1. lively, brisk, quick, eager, active, peppy, excited

   Synonyms: strēnuus, impiger, vīvus, ācer, fortis

   Antonym: sēgnis

2. glad, happy, cheerful

   Synonyms: libēns, laetus, vīvus, felix, hilaris, hilarus

   Antonyms: trīstis, infelix, maestus, miser, aeger

The superlative form alacerrimus is very rare in old and classical Latin.

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• alacritās
• alacriter

• “alacer”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “alacer”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• alacer in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
• Carl Meißner; Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • to show a brisk and cheerful spirit: alacri et erecto animo esse