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From Proto-Indo-European *dʰeh₁-lw-i, from *dʰeh₁(y)- (to suckle).



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

  1. happy, lucky, blessed, fortunate
  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 termsEdit



  • 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, 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 Biography and Mythology, London: John Murray