knapsacked,a.|ˈnæpsækt| [f. knapsack + -ed2.] Equipped with a knapsack. 1905Westm.Gaz. 26 Aug. 3/1 The knapsacked mountaineers come and go.1908Hardy Dynasts III. ii. ii. 76 The sunset slants an ochreous shine Upon the English knapsacked line.1926R. Macaulay Crewe Train i. i. 5 Knapsacked British walkers.