Synonyms of endangered

Verb

1. endanger, jeopardize, jeopardise, menace, threaten, imperil, peril, exist, be

usage: pose a threat to; present a danger to; "The pollution is endangering the crops"

2. queer, expose, scupper, endanger, peril, affect, impact, bear upon, bear on, touch on, touch

usage: put in a dangerous, disadvantageous, or difficult position

Adjective

1. endangered, vulnerable (vs. invulnerable)

usage: (of flora or fauna) in imminent danger of extinction; "an endangered species"

Definition and meaning of endangered (Dictionary)