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unconstrained [noun]
unconstrained 作定语，修饰名词，表示“不受约束的、自由的”。
They valued unconstrained creativity.
他们珍视不受约束的创造力。
不受约束的；不勉强的；自在的
先理解核心含义，再看它在真实句子里的用法。
不受约束的；不勉强的；自在的
free from constraint
They valued unconstrained creativity.
他们珍视不受约束的创造力。
不受约束的。
Not constrained.
不受约束的
free from constraint
In the final exercise, students were free to write unconstrained by strict grammar rules.
在最后的练习中，学生可以自由写作，不受严格语法规则的约束。
AI contextual example
She felt unconstrained and relaxed during the holiday, with no deadlines to meet.
假期里她感到无拘无束、轻松愉快，没有任何截止日期要赶。
AI contextual example
The artist prefers to work in an unconstrained environment, where she can try new ideas.
这位艺术家更喜欢在不受约束的环境中工作，在那里她可以尝试新的想法。
AI contextual example
he was unconstrained by any of the sanctions of polite society
他不受上流社会任何礼教的约束。
WordNet
unconstrained 作定语，修饰名词，表示“不受约束的、自由的”。
They valued unconstrained creativity.
他们珍视不受约束的创造力。
by 后接带来限制的因素，常用于表达“不受……影响或限制”。
Science should be unconstrained by political interference.
科学不应受到政治干预的约束。
leave/keep 后接宾语和形容词 unconstrained，表示“使某人/某物保持不受约束的状态”。
The coach kept the players unconstrained by rigid tactics.
教练让球员不受僵化战术的束缚。
Not this
He felt unconstraint in his new job.
Use this
He felt unconstrained in his new job.
feel 是系动词，后面应接形容词作表语；unconstraint 是名词，unconstrained 才是形容词，表示“不受约束的”。
Not this
She is unconstrained with traditional rules.
Use this
She is unconstrained by traditional rules.
unconstrained 表示“不受……约束”时，常用介词 by 引出不受其约束的事物，with 是受中文“不受……的约束”影响而产生的误用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
无约束优化
The algorithm solves unconstrained optimization problems efficiently.
该算法能高效地解决无约束优化问题。
无约束增长
In a resource-rich environment, the population shows unconstrained growth.
在资源丰富的环境中，该种群表现出无约束增长。
不受…约束的
Her approach is unconstrained by conventional wisdom.
她的方法不受传统观念约束。
无拘无束的创造力
The workshop encourages unconstrained creativity in children.
这个工作坊鼓励孩子们无拘无束的创造力。
无拘无束的笑声
Their unconstrained laughter made everyone smile.
他们无拘无束的笑声让每个人都笑了。
发长 /eɪ/ 音 (如 rain, wait)
Use unconstrained naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+ constrained（受约束的）→ 不受约束的；想象解开绳索、自由自在的样子。
语域：formal 常见场景：学术论文、正式报告、法律或合同文本 unconstrained 比较常见于正式、学术或专业语境，表示“不受约束的”；日常口语中通常用 free 或 without restrictions。
以上单词均以 /eɪnd/ 结尾，与 unconstrained 的重读部分 /streɪnd/ 押韵。注意拼写相近的 constraint /kənˈstreɪnt/ 以 /t/ 结尾，发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.