adjective
- threatened with a danger: endangered lives of trapped coal miners.
- threatened with extinction: The bald eagle may be endangered.
verb (used with object)
- to expose to danger; imperil: It was foolish to endanger your life in that way.
adjective
- in danger: used esp of animals in danger of extinctionthe giant panda is an endangered species
verb
- (tr) to put in danger or peril; imperil
late 15c., from en- (1) “make, put in” + danger. Related: Endangered; endangering. Endangered species first recorded 1964.