1. life-threatening - Adjective
2. life-threatening - Adjective Satellite
causing fear or anxiety by threatening great harm
Source: WordNetMore important is the fact that embryonic stem cell research could lead to new treatments and cures for the many Americans afflicted with life-threatening and debilitating diseases. Ron Kind
Where's the superficial? I was, and therefore am, dim, gloomy, a drag, unfashionable, unfanciable, and awkward. This doesn't seem like superficial to me. These aren't flesh wounds. These are life-threatening thrusts into the internal organs. Nick Hornby
Usually the nonsense liberals spout is kind of cute, but in wartime their instinctive idiocy is life-threatening. Ann Coulter
A lot of being a poet consists of willed ignorance. If you woke up from your trance and realized the nature of the life-threatening and dignity-destroying precipice you were walking along, you would switch into actuarial sciences immediately. Margaret Atwood
There is no life to be found in violence. Every act of violence brings us closer to death. Whether it's the mundane violence we do to our bodies by overeating toxic food or drink or the extreme violence of child abuse, domestic warfare, life-threatening poverty, addiction, or state terrorism. Bell hooks
New drugs and surgical techniques offer promise in the fight against cancer, Alzheimer's, tuberculosis, AIDS, and a host of other life-threatening diseases. Animal research has been, and continues to be, fundamental to advancements in medicine. Daniel Kahikina Akaka