1
the rightness of sth
rightness 常与 of 连用，表示某事物在道德或情理上的正确性。
He never questioned the rightness of his actions.
他从不怀疑自己行为的正当性。
正当性；正直；公正
先理解核心含义，再看它在真实句子里的用法。
正当性；正直；公正
the quality of being morally right or justifiable
He never questioned the rightness of his actions.
他从不怀疑自己行为的正当性。
此义指合乎良心或道德，而非事实上的正确
正确性；对的性质。
The characteristic of being right; correctness.
正确的结果或产物；正确的事物。
The result or product of being right; something correct.
位于右侧或向右移动的性质。
The property of being on, or moving toward, the right.
She questioned the rightness of keeping the lost money she found in the park.
她质疑自己是否应该留下在公园里捡到的钱。
His strong sense of rightness led him to return the extra change to the cashier.
他强烈的是非感促使他把多找的零钱还给了收银员。
Her decisions are always respected for their rightness.
她的决定总是因其正当性而受到尊重。
rightness 常与 of 连用，表示某事物在道德或情理上的正确性。
He never questioned the rightness of his actions.
他从不怀疑自己行为的正当性。
搭配 doubt、question、challenge 等动词，表示对正当性或正确性的怀疑。
We began to doubt the rightness of the plan.
我们开始质疑这个计划的正确性。
这个短语常表示内心对某事具有道德正当性的确信。
She had an unshakable sense of rightness about the cause.
她对这项事业有一种不可动摇的正义感。
Not this
Your answer is rightness.
Use this
Your answer is right.
rightness 是名词，表示‘正确性/正当性’，不能作表语形容词；表达‘某答案是对的’应用形容词 right。
Not this
Everyone has the rightness to speak.
Use this
Everyone has the right to speak.
rightness 意为‘道德正确性/公正’，不是‘权利’；表示‘权利’的名词是 right，常用 have the right to do sth. 结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
道德正当性
He never doubted the moral rightness of his cause.
他从未怀疑过自己事业的道德正当性。
决定的正确性
She questioned the rightness of the decision.
她质疑这个决定的正确性。
是非感；正义感
His sense of rightness would not let him stay silent.
他的是非感不允许他保持沉默。
伦理上的正当性
The ethical rightness of the policy was widely debated.
这项政策的伦理正当性受到了广泛讨论。
Use rightness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
由 right（正确/公正）加后缀 -ness 构成，联想‘做正确的事’就是正直与公正。
语域：formal 常见场景：philosophical writing、political commentary、formal speech rightness 表示“合乎道德/良心”时通常用于书面或正式语境，多出现在哲学、伦理学或政论中；日常口语中较少用。
这些词都以 -ness 结尾，且重读元音同为 /aɪ/，与 rightness 押韵：brightness、whiteness、tightness、lightness、politeness。注意 rightness 中的 gh 不发音。形近词 righteousness /ˈraɪtʃəsnəs/ 和 fitness /ˈfɪtnəs/ 发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.