ENDANGER

[verb] [T] - to put (someone or something) at risk or in danger of being harmed, damaged or destroyedThe police must deal with criminals without endangering the lives of passers-by. [T]There can be no doubt whatsoever that smoking endangers your health.We must be careful not to do anything that might endanger the economic recovery.Endangered species are animals that are in danger of dying out completely, often because of exploitation by humans.