head-on/ˌ· ˈ·◄/ adv 1 meet/crash/hit head-on if two vehicles meet head-on, the front part of one vehicle hits the front part of the other 〔两辆汽车〕迎头相撞，迎面相撞: A car and a truck had collided head-on. 一辆汽车和一辆货车迎头相撞。 2 in a direct and determined way 迎面地; 直接地; 坚定地: She decided to face her difficulties head-on. 她决定正视困难。