形容詞 inexorable:

1. not to be placated or appeased or moved by entreaty
   同義詞：grim, relentless, stern, unappeasable, unforgiving, unrelenting
2. impervious to pleas, persuasion, requests, reason
   同義詞：adamant, adamantine, intransigent

1. An inexorable opponent; a feeling of inexorable doom.
   一個冷漠的對手; 對無情毀滅的預感
2. Facts are inexorable.
   事實是無情的。
3. Our reform made an inexorable march of progress.
   我們的改革取得了勢不可擋的進展。
4. He made an inexorable demand.
   他提出一個無情的要求。

in.ex.o.ra.ble

adj.（形容詞）
Not capable of being persuaded by entreaty; relentless:
無動于衷的：不為懇求所動的；無情的：
例句：
an inexorable opponent; a feeling of inexorable doom.See Synonyms at inflexible
一個冷漠的對手；對無情毀滅的預感參見 inflexible

來源：
Latin inexôr3bilis
拉丁語 inexôr3bilis
in- [not] * see in-
in- [不] *參見 in-
exôr3bilis [pliant] from exôr3re [to prevail upon] ex- [intensive pref] * see ex- ôr3re [to argue]
exôr3bilis [易曲的] 源自 exôr3re [勸導] ex- [強調(diào)性前綴] *參見 ex- ôr3re [爭執(zhí)]

【引伸】
inex.orabil.ity 或
inex.orableness
n.（名詞）
inex.orably
adv.（副詞）