Atilt \A*tilt"\, adv. [Pref. a- + tilt.] 1. In the manner of a tilter; in the position, or with the action, of one making a thrust. ``To run atilt at men.'' --Hudibras. [1913 Webster] 2. In the position of a cask tilted, or with one end raised. Note: [In this sense sometimes used as an adjective.] [1913 Webster] Abroach, atilt, and run Even to the lees of honor. --Beau. & Fl. [1913 Webster]