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See also: FELIX, Felix, Félix, and Fêlix


Alternative forms[edit]


From Proto-Italic *fēlwiks, from earlier *θēlwiks, from Proto-Indo-European *dʰeh₁-lw-i-k-s, from *dʰeh₁(y)- (to suckle).



fēlīx (genitive fēlīcis, comparative fēlīcior, superlative fēlīcissimus, adverb fēlīciter); third-declension one-termination adjective

  1. happy, lucky, blessed, fortunate
    Synonyms: laetus, alacer
    Antonyms: maestus, infēlīx, trīstis, miser, aeger
  2. fertile, fruitful, prosperous
  3. auspicious, favorable, of good omen or luck
  4. (religion, archaic) of the noble fruits offered to the deities


Third-declension one-termination adjective.

Number Singular Plural
Case / Gender Masc./Fem. Neuter Masc./Fem. Neuter
Nominative fēlīx fēlīcēs fēlīcia
Genitive fēlīcis fēlīcium
Dative fēlīcī fēlīcibus
Accusative fēlīcem fēlīx fēlīcēs fēlīcia
Ablative fēlīcī fēlīcibus
Vocative fēlīx fēlīcēs fēlīcia

Derived terms[edit]


  • Old Galician-Portuguese: fiiz
  • Romanian: ferice
  • Asturian: feliz
  • Catalan: feliç
  • Friulian: feliç
  • Italian: felice, filice
  • Mirandese: feliç
  • Portuguese: feliz
  • Galician: feliz
  • Sicilian: filici
  • Spanish: feliz
  • Venetian: felise


  • felix”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • felix”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • felix in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • felix in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
  • Carl Meißner, Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to turn out (well); to result (satisfactorily): eventum, exitum (felicem) habere
    • may heaven's blessing rest on it: quod bonum, faustum, felix, fortunatumque sit! (Div. 1. 45. 102)
  • felix”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • felix”, in William Smith, editor (1848), A Dictionary of Greek and Roman Biography and Mythology, London: John Murray