Say It: \ˌimˈprävəd(ə)nt/
Part of Speech: adjective
Definition (as defined by Merriam-Webster): not foreseeing or providing for the future.
Used in a Sentence (aka How I Found It): “Since no matches were provided, the casual improvident visitor had to make his own devotions, if any, without benefit of their light.” The Private Patient by P.D. James
Origin: Late Latin, first used in 1514