名詞 rigor:

1. something hard to endure
   同義詞：asperity, grimness, hardship, rigour, severity, severeness, rigorousness, rigourousness
2. the quality of being logically valid
   同義詞：cogency, validity, rigour
3. excessive sternness
   同義詞：severity, severeness, harshness, rigour, rigorousness, rigourousness, inclemency, hardness, stiffness

1. Extreme harshness or severity; rigor.
   暴虐極端殘酷或嚴厲; 嚴酷
2. Rigor mortis had already set in.
   尸體已經(jīng)僵硬。
3. The expedition suffered all the rigo(u)rs of a Canadian winter.
   這支探險隊飽受了加拿大嚴冬的折磨。
4. He deserves to be punished with the full rigor of the law.
   他應該受到法律最嚴厲的懲罰。

rig.or

n.（名詞）
Strictness or severity, as in temperament, action, or judgment.
嚴厲，苛刻，嚴格：嚴格或嚴肅，如在性情、行為或判斷方面
A harsh or trying circumstance; hardship.See Synonyms at difficulty
艱苦，困難：艱難的或難堪的情形；困境參見 difficulty
A harsh or cruel act.
嚴厲或殘忍的行為
Medicine Shivering or trembling, as caused by a chill.
【醫(yī)學】 寒戰(zhàn)，發(fā)冷：哆嗦或顫抖，如由寒冷所導致的
Physiology A state of rigidity in living tissues or organs that prevents response to stimuli.
【生理學】 僵直：一種存活組織和器官僵化的狀態(tài)，阻止對刺激產(chǎn)生反應
Obsolete Stiffness or rigidity.
【廢語】 僵硬，僵化

來源：
Middle English rigour
中古英語 rigour
from Old French
源自 古法語
from Latin rigor
源自 拉丁語 rigor
from rigôre [to be stiff] * see reig-
源自 rigôre [僵硬的] *參見 reig-