To constitute a threat to; endanger:
To expose to loss or injury; imperil.
To expose to danger, harm, or loss; imperil
Threaten is defined as to pose a danger to someone or something, or to make someone believe you pose a danger by making statements indicating an intent to harm them.
Find another word for jeopardise. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for jeopardise, like: menace, jeopardize, endanger, threaten, imperil, peril, undermine, impede, hinder, put in jeopardy and interfere with.