a, e, f, g, l, n, h, r, t, i are letters that make 'life-threatening'
re, te, threat, at, en, ng, Ea, threatening, ten, li, in, life, IN, Aten, Re, Ate, At, In, Fe, Li, Ni, Te, Th, hr, eat, threaten are words within 'life-threatening'
1 possible definitions for 'life-threatening'
Under this definition, life-threatening is an adjective and has the following properties:
severeness, seriousness, severity, dangerousness, distressfulness, badness are derivatives of 'life-threatening'.
critical is similar to life-threatening.
"a dangerous operation", "a grave situation", "a grave illness", "grievous bodily harm", "a serious wound", "a serious turn of events", "a severe case of pneumonia", "a life-threatening disease"