1) Endanger 2) Exist 3) Imperil 4) Jeopardise 5) Menace 6) Peril 7) Pose a threat to 8) Present a danger to 9) Put at risk 10) Risk 11) Threaten 1) Endanger 2) Imperil 3) Jeopardise 4) Putindanger 5) Queer 6) Risk 7) Threaten 
• (v. t.) To expose to loss or injury; to risk; to jeopard.
Jeop'ard·ize transitive verb [ imperfect & past participle Jeopardized ; present participle & verbal noun Jeopardizing .] To expose to loss or injury; to risk; to jeopard. « That he should jeopardize his willful head Only fo...
[SAT terms] pose a threat to; present a danger to