Latin

Adjective

nefāstus m ‎(feminine nefāsta, neuter nefāstum); first/second declension

1. wicked, irreligious, profane, impious
   • Quid intactum nefasti liquimus? — "What have we, in our impiety, left inviolate?" (Horace, Ode I.33)
2. (of a day) unpropitious, inauspicious, unsuitable for sessions of public assemblies or courts
   • Ille et nefasto te posuit die... — "Whoever planted you that cursed day..." (Horace, Ode II.13)

Inflection

First/second declension.

Descendants

• English: nefast
• French: néfaste
• Italian: nefasto
• Portuguese: nefasto
• Spanish: nefasto

References

• nefastus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• nefastus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• Félix Gaffiot (1934), “nefastus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.