• (a.) Made with, or requiring, great labor, pains, or diligence. • (a.) Likely or inclined to roll or pitch, as a ship in a heavy sea; having a tendency to labor.
La'bor·some adjective 1. Made with, or requiring, great labor, pains, or diligence. [ Obsolete] Shak. 2. (Nautical) Likely or inclined to roll or pitch, as a ship in a heavy sea; having a tendency to labor.