to be likely to be dangerous to people or things► be a danger to somebody/something to be likely to harm other people or things: · People who drink and drive are a danger to themselves and to others.· The judge described Thomas as 'a danger to the public'.· Extreme nationalism is the single greatest danger to peace in the modern world.
► pose a threat formal if a situation or the existence of something poses a threat , it is dangerous to people: · Supplies of food were so low that this posed a threat as serious as invasion.pose a threat to: · Chemicals in our drinking water could pose a serious threat to public health.pose no threat: · Scientists feel that present levels of radiation pose no threat.
► threaten if an activity or a problem threatens something such as a place, animal, or way of life, it could cause it to no longer exist: · Illegal hunting threatens the survival of the African elephant.· By August, it was clear that the volcano could threaten the whole island.
► be a menace someone who is a menace behaves in a dangerous way, without thinking about the safety of other people: · Drivers like that are a menace. They shouldn't be allowed on the road.be a menace to: · We consider drug trafficking to be a menace to the security of our nation.
► be a hazard to be likely to kill people, cause accidents etc: · Ice on the road is a major hazard at this time of the year.be a hazard to: · The residents of Hollyhurst Road complained that cars parked there were a hazard to pedestrians.be a fire/health/environmental etc hazard: · Garbage that is left uncollected becomes a serious health hazard.
► a fire risk/health risk a situation or object that is likely to cause a fire or to damage people's health: · Litter problems and a high fire risk mean that there is now restricted camping on the route.· Cigarettes are acknowledged as a serious health risk and the main cause of lung cancer.
► death trap informal if a building, road, car etc is a death-trap , it is very dangerous to enter or use, for example because it is in very bad condition, or is badly designed: · Fire-safety inspectors described the basement night-club as a death trap.· The ancient bridge was described as a potential death trap for the tourists that flock there.