What is the Latin word for impiously?

The usual Latin words for “impiously” are impius, nefārius, nefandus; also scelestus, scelerō. The right choice depends on the sense; see the distinctions below.

English → Latin

“impiously” in Latin

impiusdisloyal, undutiful; godless, impious, unpatriotic; damned, accursed nefāriusnefarious, execrable, abominable, loathsome nefandusimpious; heinous, execrable, abominable scelestuswicked, villainous, criminal, abominable; calamitous, unfortunate scelerōto defile, contaminate, pollute

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

impiously

impie: nefarie. (The words are found in this connection and order.) impie nefarieque: nefande: sceleste: scelerate.

Quick answer

What is the Latin word for impiously?: The usual Latin words for “impiously” are impius, nefārius, nefandus; also scelestus, scelerō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.