Synonym: endanger, jeopardise, jeopardize, menace, peril, threaten. Similar words: imperial, imperious, peril, verily, puerile, perilous, guerilla, impel. Meaning: [ɪm'perɪl] 
v. pose a threat to; present a danger to.
v. pose a threat to; present a danger to. 
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1. Tax increases now might imperil economic recovery.
2. A police raid would imperil the lives of the hostages.
3. Putting off the surgery would imperil the girl's life.
4. Any diminution in the number of survivors would imperil the chance for continuation.
5. Any criminal prosecution could imperil the company's then-imminent public offering of $ 35 million in stock.
6. Violence and military attacks will imperil peace.
7. Merrill Lynch reports that a collapse could imperil Midwestern banks.
8. Insect-borne diseases imperil humans and animals, and there are many mosquito-borne diseases with complicated manifestations.
9. Conservationists say the losses could imperil the long - term survival of the creatures.
10. I will not imperil my soul. I will uphold the justice of the Church.
10. Sentencedict.com try its best to gather and create good sentences.
11. Its plunging stock price threatened spook customers and imperil the bank.
12. A victory for Allende would imperil our interests in the Western Hemisphere.
13. It goes without saying that any infringements of these new restrictions will imperil what is already an extremely sensitive access agreement.
14. Attacks on network increase rapidly in the recent years and imperil the security of network.
15. On the former, a demand for much higher capital ratios today would imperil the recovery.
16. Whatever drives a wedge between Hong Kong and the mainland could imperil the territory's future.
17. In Europe there are worries that a stratospheric euro will imperil the region's growth.
18. He goes deep into jugle ,(sentencedict.com) searching for such filies and venomous mosquitoes what is imperil human.
19. Oil spills devastate the natural environment, endanger public health, imperil drinking water and disrupt the economy.
20. Pawnbrokers do not make credit checks , and using them does not imperil credit ratings.
21. To expose to danger or the chance of injury; imperil.
22. The literary scholar Elaine Scarry pointed out that in the classical world a glimpse of a beautiful person could imperil an observer.
More similar words: imperial, imperious, peril, verily, puerile, perilous, guerilla, impel, whimper, impede, impeach, impetus, imperfect, impersonal, imperative, impending, impetuous, impervious, impeccable, impermeable, impediment, impersonate, impertinent, impenitent, impetuously, impedimenta, impeachment, imperturbable, impersonation, unimpeachable.