Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb endanger

2 senses of endanger

Sense 1
endanger, jeopardize, jeopardise, menace, threaten, imperil, peril -- (pose a threat to; present a danger to; "The pollution is endangering the crops")
       => exist, be -- (have an existence, be extant; "Is there a God?")

Sense 2
queer, expose, scupper, endanger, peril -- (put in a dangerous, disadvantageous, or difficult position)
       => affect, impact, bear upon, bear on, touch on, touch -- (have an effect upon; "Will the new rules affect me?")

Antonyms of adj endangered

1 sense of endangered

Sense 1
endangered -- ((of flora or fauna) in imminent danger of extinction; "an endangered species")

INDIRECT (VIA vulnerable) -> invulnerable -- (immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs")

Similarity of adj endangered

1 sense of endangered

Sense 1
endangered -- ((of flora or fauna) in imminent danger of extinction; "an endangered species")
       => vulnerable (vs. invulnerable) -- (susceptible to attack; "a vulnerable bridge")