Word · CEFR C2 · Frequency #11774
tacit
心照不宣的；默示的；含蓄的
Understood or implied without being stated explicitly, often through silence.
- 1.
Implied, but not made explicit, especially through silence.
默认的；暗含的；心照不宣的
- 2.
implied by or inferred from actions or statements
由行动或言语暗示的
- 3.
Not derived from formal principles of reasoning; based on induction rather than deduction.
非源自形式推理原则；基于归纳而非演绎。
基于归纳的；非演绎的；默认的；暗含的；心照不宣的；由行动或言语暗示的；非源自形式推理原则；基于归纳而非演绎。；沉默寡言的
In use
They had a tacit agreement to avoid discussing politics at family dinners.
Her silence was taken as tacit approval of the plan.
The two colleagues shared a tacit understanding that they would help each other meet deadlines.
a tacit agreement
tacit [noun]
tacit 常与 agreement、understanding、approval 等名词搭配，表示未明说但被理解的。
They reached a tacit agreement to avoid the topic.
他们达成了默契，避免谈论这个话题。
be tacit
作表语时较少见，常用于书面语。
The support for the plan was tacit.
对该计划的支持是默许的。
Common mistakes
Connections
Collocations
- tacit agreement
- 默契；未言明的同意
- The two sides reached a tacit agreement to avoid discussing the issue.双方达成了默契，避免讨论这个问题。
- tacit approval
- 默许
- Her parents showed their tacit approval by not objecting to her decision.她的父母没有反对她的决定，以此表示默许。
- tacit understanding
- 默契；心照不宣
- They had a tacit understanding that neither would mention the incident again.他们之间有个默契：谁也不许再提那件事。
- tacit knowledge
- 隐性知识；默会知识
- Much of his skill comes from tacit knowledge gained through years of practice.他的很多技艺来自多年练习积累的隐性知识。
- tacit consent
- 默示同意；默许
- The policy was implemented with the tacit consent of the board.这项政策是在董事会的默许下实施的。
Learner notes
Memory Tip
记忆联想：两人默默点头，不开口已达成共识——tacit 就是心照不宣、默示的。
Context & Register
语域：formal 常见场景：法律文件、商务协议、学术写作 tacit 多用于正式或书面语境，表示“未明说但隐含的”，如 tacit agreement。日常口语中比较少见，通常出现在较严肃或学术性的讨论中。
Pronunciation & Spelling
与 tacit /ˈtæsɪt/ 真正押韵的词很少：facet /ˈfæsɪt/ 的重读元音和后面的 /sɪt/ 完全一致。注意以下形近但音异的词：explicit /ɪkˈsplɪsɪt/、implicit /ɪmˈplɪsɪt/、elicit /ɪˈlɪsɪt/、solicit /səˈlɪsɪt/，它们重音和元音都与 tacit 不同。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.