a. Having no lower jaw; hence, fleshless. [ R. ] “Yellow, chapless skulls.” Shak. [ 1913 Webster ]
a. Without hap or luck; luckless; unfortunate; unlucky; unhappy; as, hapless youth; hapless maid. Dryden. [ 1913 Webster ]
adv. In a hapless, unlucky manner. [ 1913 Webster ]