The term SLOW-MOVING BEAST can be summarized by the crossword solution SLOTH, which is a five letter word. Sloths are slow-moving mammals found in Central and South America that are known for their sluggish behavior. They are arboreal animals, meaning they spend most of their lives in trees, and are nocturnal creatures. Sloths are herbivores, feeding on leaves, buds, and fruits. They have long, curved claws that help them to hang onto branches and climb trees.