(climbing) Land at sufficiently high altitudes that there is not enough oxygen to sustain human life.

(US, idiomatic) With sufficient evidence to establish responsibility definitively.

plural of deadly embrace

(simile) stone deaf (unable to hear at all)

(idiomatic) Utterly dead.

plural of red ring of death

(theology) In moral theology, the concept that human life can be a means to some other end and not solely an end itself.

plural of dead ball

plural of deal-maker

Alternative spelling of dealmaker