dying; death (the process/state of dying). Also commonly appears as the stem of 'to die' in various expressions.
病気で彼は今にも死にそうだが、ようやく回復してきた。
He was about to die from illness, but has finally begun to recover.
戦場で何度も死に直面した経験がある。
He has faced death many times on the battlefield.
老衰でのゆっくりとした死にを家族で見守った。
The family watched over the slow dying from old age.
used as a prefix meaning 'dead' or 'useless' (e.g., 死に体, 死に金).
あの会社は長年の赤字でほとんど死に体だ。
That company is practically dead due to years of deficits.
新しいプロジェクトには死に金を使うわけにはいかない。
We can't waste dead money on the new project.
used colloquially as an intensifying prefix with a negative or contemptuous nuance (e.g., 死に損ない).
あの作家は売れないまま死に損ないになってしまった。
That writer ended up a failed has-been, never becoming successful.
こんな死に仕事を続けるつもりはない。
I have no intention of continuing such a damned/useless job.