a. Without pause or end; incessant. [ 1913 Webster ]
adv. Without intermission or end. [ 1913 Webster ]
a. Suffering no decrease. [ R. ] [ 1913 Webster ]
It [ the river ] flows and flows, and yet will flow,
Volume decreaseless to the final hour. A. Seward. [ 1913 Webster ]
a. Without ease. Donne. [ 1913 Webster ]