The closest antonym for the word imperil is assist.
What is an Antonym?
This refers to the opposite in meaning of a word based on its context and usage in a sentence.
Hence, we can see that the meaning of the word "imperil" means to put someone at risk of being harmed and the closest antonym would be to help or assist a person.
Read more about antonyms here:
https://brainly.com/question/336717
#SPJ1
