1
be unbounded
表示状态，主语通常为人或抽象事物。
Her enthusiasm for the project was unbounded.
她对项目的热情是无限的。
无边的；无限的
先理解核心含义，再看它在真实句子里的用法。
无边的；无限的
seemingly boundless in amount, number, degree, or especially extent
Her enthusiasm for the project was unbounded.
她对项目的热情是无限的。
无边界的；无限制的。
Having no boundaries or limits.
在数量、数目、程度或范围上看似无边无际
seemingly boundless in amount, number, degree, or especially extent
The children showed unbounded curiosity about the ocean.
孩子们对海洋表现出无限的好奇心。
AI contextual example
His unbounded generosity surprised everyone in the village.
他无限的慷慨让村里的每个人都感到惊讶。
AI contextual example
She faced the challenge with unbounded courage.
她以无限的勇气面对挑战。
AI contextual example
unbounded enthusiasm
无限的热情。
WordNet
表示状态，主语通常为人或抽象事物。
Her enthusiasm for the project was unbounded.
她对项目的热情是无限的。
unbounded直接修饰名词，表示该名词的无限性。
The artist drew inspiration from unbounded creativity.
这位艺术家从无限的创造力中汲取灵感。
表示在某个方面是无限的，常见于抽象名词。
He is unbounded in his ambition.
他的抱负是无边无际的。
表示不受某物限制，by后接限制因素。
Their love was unbounded by distance or time.
他们的爱不受距离或时间的限制。
Not this
His ambition unbounded.
Use this
His ambition is unbounded.
unbounded 是形容词，不能单独作谓语，必须与系动词连用。
Not this
The manuscript is unbounded.
Use this
The manuscript is unbound.
unbounded 指抽象的无边无限（如程度、数量），而 unbound 才指物理上的未装订。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
无限的热情
Her unbounded enthusiasm for the project inspired the whole team.
她对项目无限的热情鼓舞了整个团队。
无限的乐观
He greeted every challenge with unbounded optimism.
他以无限的乐观迎接每一个挑战。
无穷的精力
The children played with unbounded energy all afternoon.
孩子们整个下午都精力无限地玩耍。
无限的爱
She showed unbounded love for her students.
她对学生们表现出无限的爱。
无限的抱负
His unbounded ambition drove him to the top.
他无限的抱负驱使他登上了顶峰。
无尽的想象力
The novel reveals the author's unbounded imagination.
这部小说展现了作者无尽的想象力。
无限的热情；极大的热情
She approached the project with unbounded enthusiasm.
她以无限的热情投入到这个项目中。
无尽的喜悦；莫大的快乐
The children's faces were full of unbounded joy at the sight of the gifts.
看到礼物时，孩子们的脸上洋溢着无尽的喜悦。
无限的雄心；巨大的野心
His unbounded ambition drove him to succeed at all costs.
他无限的雄心驱使他不惜一切代价取得成功。
Use unbounded naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un-（不）+ bounded（有界的）＝无边无际。想象一片没有边界的草原，跑不到尽头。
语域：formal 常见场景：学术写作、文学描述、正式发言 “unbounded” 多用于正式或书面语境，如学术写作、文学描述和正式发言，表示没有边界或限制；在日常口语中较少见，可用较简单的词语替代。
Bounded, sounded, rounded, grounded, and founded rhyme with unbounded: the stressed vowel and following sounds match /aʊndɪd/. Wounded is a spelling lookalike; it ends in -ounded but is pronounced /ˈwuːndɪd/, not /aʊndɪd/.
Dictionary facts from ECDICT, WIKTIONARY.