Jeopardise (verb)
standard spelling of from=non-Oxford British spelling|jeopardize
“After having an affair with a junior, her chances of promotion were seriously jeopardised.”
Jeopardize (verb)
To put in jeopardy, to threaten.
“After having an affair with a junior, her chances of promotion were seriously jeopardized.”
Wiktionary
Jeopardize (verb)
put (someone or something) into a situation in which there is a danger of loss, harm, or failure
“a devaluation of the dollar would jeopardize New York’s position as a financial centre”
Oxford Dictionary