1. liability or exposure to harm or injury; risk; peril. 2. an instance or cause of peril; menace. 3. Obs. power; jurisdiction; domain. The meaning of DANGER is exposure or liability to injury, pain, harm, or loss. How to use danger in a sentence. Apart from physical dangers (falls, scalds, and so on), being ' at home ' may mean being lonely, isolated and afraid. Danger (also risk or peril) is the possibility of something bad happening. A situation in which there is a risk of something bad happening, is called dangerous, risky or perilous. People often take risks, or do things that might hurt them. An example of this is crossing the road without looking carefully. This article explores 7 of the top internet dangers that young online users face daily, aiming to shed light on the dark side of the web and offer tips to maximize online safety. It can be hard to decide what to consider dangerous. For example, you may consider an animal that bites or stings dangerous, but someone else is more worried about animals that cause car accidents! So with that in mind, I tried to include a mix of creatures that are dangerous for different reasons. Definition 1: In a way that involves or causes danger; in a way that is likely to cause harm. He realized the full extent of the danger they were in as the storm intensified, threatening to capsize their small boat. (from The Old Man and the Sea by Ernest Hemingway) Find 39 different ways to say DANGERS, along with antonyms, related words, and example sentences at Thesaurus.com. When you're in danger, it seems likely that you might get hurt. Your mom might warn you that if you don't wear your bicycle helmet, you're in danger of getting injured. A baby bird teetering on the edge of its nest is in danger, and a driver whose car stalls on railroad tracks is also in danger. Synonyms for DANGERS: threats, risks, perils, hazards, menaces, pitfalls, troubles, imminences; Antonyms of DANGERS: safeguards, protections, guards, wards, shields, shelters, harbors, refuges.