What is the Latin word for alertly?

The usual Latin words for “alertly” are ācer, alacer, Ammiānus. The right choice depends on the sense; see the distinctions below.

English → Latin

“alertly” in Latin

ācersharp, sour, bitter, pungent; keen, sharp, acute, sagacious; energetic, active, vigorous alacerlively; brisk; quick; eager; active; peppy; excited; glad; happy; cheerful Ammiānusa masculine praenomen, famously held by

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

alertly

alacri animo (alacriter, late, Ammianus): acriter (with fire and energy): bilare (cheerfully, gladly).

Quick answer

What is the Latin word for alertly?: The usual Latin words for “alertly” are ācer, alacer, Ammiānus. 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.