hook-shaped s shaped in the form of a hook Usage(s) History's biggest oil spill despoils the French shorelineLike a grotesque, hook-shaped inkblot, the oil spread menacingly across the water. The Japanese took the deep, hook-shaped harbor of Rabaul just 45 days after their attack on Pearl Harbor. The main activity on this hook-shaped archipelago of islands is, as you might expect, taking in its natural beauty.