Risk, endanger, imperil, jeopard, hazard, put in danger, expose to danger.
peril
CERTAIN DANGER, IMMEDIATE, AND IMPENDING
Peril
(perils)
1.
Perils are great dangers. (FORMAL)
...the perils of the sea...
We are in the gravest peril.
N-VAR: usu with supp
2.
The perils of a particular activity or course of action are the dangers or problems it may involve.
...the perils of starring in a television commercial.
N-PLURAL: with poss
3.
If you say that someone does something at their peril, you are warning them that they will probably suffer as a result of doing it.
Anyone who breaks the law does so at their peril.
PHRASE: PHR after v
peril
CERTAIN DANGER, IMMEDIATE, AND IMPENDING
Peril
¦ noun a situation of serious and immediate danger.
¦ verb (perils, perilling, perilled; US perils, periling, periled) archaic expose to danger.
Phrases
at one's peril at one's own risk.
in (or at)peril of
1. very likely to suffer from.
2. at risk of losing or injuring: they would be in peril of their life.
Origin
ME: from OFr., from L. peric(u)lum 'danger', from the base of experiri 'to try'.
Wikipedia
Peril (band)
Peril were a Japanese and Australian industrial band operating from 1992 to 1996. They released three albums, Peril (1993), Multiverse (1994) and Astro (1996).