1. designed to be practical and useful rather than attractive
功能性的，實用的（而非美觀的）
The furniture is very functional and durable.
這家具非常實用且耐用。
The building's design is purely functional.
這棟建築的設計純粹是功能性的。
Functional Meaning（定義、用法、例句與發音）
functional
adjective
快速理解
What does "Functional" mean?What are 2-3 core uses of "Functional"?
形容事物具有實際用途、能正常運作，或與功能相關的。
- 1
實用的、有用的
EN: designed to be practical and useful rather than attractive
翻譯: 指設計上注重實用性和用途，而非美觀。
- 2
能運作的、可使用的
EN: working or operating normally
翻譯: 指某物處於可正常工作的狀態。
- 3
與功能相關的
EN: relating to the way something works or its purpose
翻譯: 指與某物的運作方式或主要目的相關。
- 4
功能性的（醫學）
EN: relating to a medical condition with no identifiable physical cause
翻譯: 醫學上指症狀沒有明確器質性病因的。
小提醒：注意 'functional' 與 'functioning' 的細微差別：'functional' 強調「具有功能、可用」，而 'functioning' 更強調「正在運作中」的狀態。例如，一台修好的機器是 functional，而它運轉時是 functioning。
發音（How to Pronounce "Functional" in English）
How to pronounce "Functional" in English?"Functional" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Functional" from YouTube Videos
Why Should I Start a Startup? by Michael Seibel
Y Combinator
“huh, and I think you do see this like it. I think you do see like founders who get acquired, who are actually a really functional inside of big companies and vice versa.”
(1 out of 22)
Definitions（定義）
What are the definitions of "Functional"?How does "Functional" change by context?
2. working or operating normally
運作正常的，可使用的
The old computer is still functional.
那台舊電腦仍然可以正常運作。
After the repair, the elevator is now fully functional.
維修後，電梯現在已完全恢復正常運作。
3. relating to the way something works or its purpose
功能的，與運作方式或目的相關的
We need to analyze the functional requirements of the software.
我們需要分析這套軟體的功能需求。
The test checks the functional integrity of the system.
這項測試檢查系統的功能完整性。
4. (of a disease or disorder) affecting the operation of an organ but without observable structural changes
（疾病或失調）功能性的（影響器官運作但無明顯結構變化）
The patient was diagnosed with a functional gastrointestinal disorder.
病人被診斷出患有功能性胃腸道失調。
Functional neurological disorder can cause a variety of symptoms.
功能性神經失調可能引起多種症狀。
Grammar & Patterns（句型）
What are common sentence patterns for "Functional"?How to make natural sentences with "Functional"?
| Pattern | Meaning | Example |
|---|---|---|
| functional + noun | 功能性的… | The building has many functional features. (這棟建築有許多功能性特色。) |
| be + functional | 能正常運作的 | The old machine is still perfectly functional. (那台舊機器仍然運作得非常好。) |
| more/less + functional | 更/較不實用的 | The new design is more functional than the old one. (新設計比舊的更具功能性。) |
| remain/stay + functional | 保持可用狀態 | The system must remain functional during the upgrade. (系統在升級期間必須保持正常運作。) |
| highly + functional | 高度實用的 | This is a highly functional piece of furniture. (這是一件高度實用的家具。) |
| purely + functional | 純粹功能性的 | The design is purely functional, with no decorative elements. (這個設計純粹是功能性的，沒有任何裝飾元素。) |
用法說明
How is "Functional" different from similar structures?What usage mistakes are common with "Functional"?
functional vs. functioning
- functional 作為形容詞，主要描述某物「有功能的、實用的、能正常運作的」，強調其設計目的或可用性。
- functioning 是動詞 function 的現在分詞或動名詞形式，常用來描述某物「正在運作、發揮作用」的狀態或過程。
- 雖然兩者有時可互換，但 functional 更側重於「具備功能」的屬性，而 functioning 更側重於「正在運轉」的動態。
- 在描述身體器官或系統時，functional 可能指「功能性的」（與器質性病變相對），而 functioning 則明確指「正在發揮功能的」。 EN: After the repair, the old radio is now functional. 翻譯: 修理後，那台舊收音機現在可以用了。
EN:We need to check if the backup generator is functioning properly.
翻譯:我們需要檢查備用發電機是否運作正常。
EN:The design is simple but highly functional.
翻譯:這個設計很簡單，但非常實用。
EN:The functioning of the new software is being monitored.
翻譯:新軟體的運作情況正在被監控中。
總結建議
在大多數情況下，描述物品「可用、實用」時使用 functional，強調「正在運作」的過程或狀態時則使用 functioning。
易混淆對比
What is the difference between "Functional" and similar words?How to choose "Functional" vs alternatives?
functional vs practical
functional 強調物品能正常運作、發揮基本功能；practical 則強調實用性、方便或合乎現實需求。
functional vs operational
functional 通常指具備應有功能、能發揮作用；operational 則更常指系統、設備或組織處於可運轉、可使用的狀態。
functional vs utilitarian
functional 是中性詞，描述能發揮功能；utilitarian 則帶有哲學或設計理念，強調『極致實用、捨棄美觀』，有時含貶義。
口語用法
How is "Functional" used in spoken English?What is the spoken vs formal difference for "Functional"?
引述
在對話中，當引述或轉述他人對某物「實用性」的評價時，常會用到這個詞。 EN: He said the new app is really functional and easy to use. 翻譯: 他說那個新應用程式真的很實用，而且容易上手。
EN:Everyone keeps telling me this multi-tool is super functional for camping.
翻譯:大家一直跟我說這個多功能工具去露營超實用的。
語氣強調
用來強調某物「純粹就功能而言」是好的，可能暗示其他方面（如美觀）較為普通或不足。 EN: Look, it's not the prettiest design, but it's perfectly functional. 翻譯: 你看，它的設計不是最美觀的，但功能上完全沒問題。
EN:The apartment is small and old, but hey, it's functional.
翻譯:這公寓又小又舊，不過，嘿，起碼功能齊全。
停頓填充
在思考如何描述某物時，可作為一個中性的、描述性的填充詞，尤其在列舉優點時。 EN: We need something that's... functional, reliable, and within budget. 翻譯: 我們需要的東西是…功能實用、可靠，且在預算內的。
EN:I like this model because it's... functional, you know, it gets the job done.
翻譯:我喜歡這個型號，因為它很…實用，你懂的，能把事情做好。
正式寫作注意：在正式或學術寫作中（如論文、報告），應避免將「functional」用於上述口語的停頓或隨意強調的上下文。在這些場合，它應嚴格用於描述系統、器官或物體的實際運作效能，例如「functional requirements」（功能需求）、「functional anatomy」（功能解剖學）。
常見短語
What common collocations use "Functional"?What fixed phrases with "Functional" should I remember?
functional approach
functional + noun
功能性的方法；著重功能的方法
fully functional
adverb + functional
功能齊全的；完全可用的
functional equivalent
functional + noun
功能等同物；具有相同功能的東西
remain functional
verb + functional
保持正常運作；維持功能
functional design
functional + noun
功能性設計；著重實用性的設計
purely functional
adverb + functional
純功能性的；僅為實用目的的
functional illiteracy
functional + noun
功能性文盲（有基本讀寫能力但不足以應付日常生活）
常見錯誤
What are common mistakes with "Functional"?Which "Functional" sentences look correct but are wrong?
×The machine is functional well.
✓The machine is functioning well.
Use 'functioning' to describe the action or process of working. Use 'functional' to describe the state of being able to work or being practical.
×This design is very functional; it looks beautiful.
✓This design is very aesthetic; it looks beautiful.
'Functional' primarily refers to usefulness and practicality, not beauty. For appearance, use words like 'aesthetic', 'beautiful', or 'stylish'.
×We need to improve the functional of the app.
✓We need to improve the functionality of the app.
'Functional' is an adjective. The noun form for the quality of being functional is 'functionality'.
×This multi-tool is very functional for camping.
✓This multi-tool is very useful for camping.
While 'functional' implies something works as intended, 'useful' is better for describing something that provides a specific benefit or help in a situation. 'Functional' often describes the inherent design or state.
×His plan for the project is very functional.
✓His plan for the project is very practical / well-thought-out.
'Functional' is typically used for objects, systems, or body parts that perform a task. For abstract concepts like plans, ideas, or arguments, use 'practical', 'feasible', or 'sound'.
詞形變化
What are the word forms of "Functional"?What are tense/participle forms of "Functional"?