impudens: impudicus (without shame or modesty): procax: protervus (forward, in a noisy, troublesome, reckless way; procax, especially in words, protervus in actions): petulans (attacking others with raillery, etc., without any consideration): lascivus (forward, from high animal spirits; also wanton). Impudent (in language), procax lingua. Impudent language, sermo procax or procaciter ortus (Curt.). Very impudent, summae audaciae, singulari audacia. You are an impudent beggar, satis audacter petis. An impudent brow, os ferreum: an impudent fellow, homo perfrictae frontis (both in a bad sense).