Toadstool/ˈtəʊdstuːl/ Definition 1 of 2Pro Tip 1/3Risk Warning Toadstool implies danger or toxicity, often warning against consumption. That's a toadstool, don't eat it! Pro Tip 2/3Appearance Cue Toadstools are usually depicted with bright colors and spots in illustrations. The storybook featured a bright red toadstool with white spots. Pro Tip 3/3Common Confusion People sometimes confuse edible mushrooms with toadstools, which can be dangerous. Be careful to distinguish between a safe mushroom and a toadstool.