functional
gb/fˈʌŋkʃənəl/ us/fˈʌŋkʃənəl/
B1
英語
~ 2000
語義
0件の語義
adjective
B1
property
1
working or operating properly
Working in the correct way.
用法パターン：
[something] is functional
よくある間違い：
Learners may confuse 'functional' with 'function' (verb/noun) and say 'the machine functions' instead of 'the machine is functional'. Both can be correct but have different grammatical uses.
類義語
operational (More formal; often used in technical or business contexts.)
対義語
broken (Describes something that is not working at all.)
コロケーション
fully functional
|functional equipment
|functional system
|functional unit
テーマ
technology
|daily life
|engineering
|daily_life
|core_vocabulary
例文
- The coffee machine is fully functional after the repair.
- All the computers in the lab are now functional.
- The elevator is not functional due to a power outage.
学習者向け例文
- My phone is functional again.
- The light is functional now.
- This old car is still functional.
adjective
B1
property
2
focused on practical use
Made for use, not for looks.
用法パターン：
functional [design/object]
よくある間違い：
Learners sometimes use 'functionable', which is not correct; the right word is 'functional'.
類義語
practical (Emphasizes suitability for use in real situations.)
対義語
decorative (Focuses on appearance rather than practical use.)
コロケーション
functional design
|functional furniture
|functional clothing
テーマ
design
|architecture
|daily life
|daily_life
|housing
|core_vocabulary
例文
- The building has a simple, functional design.
- These shoes are more functional than fashionable.
- The kitchen layout is purely functional.
学習者向け例文
- The table is functional but not beautiful.
- This bag is very functional.
- Her office is small but functional.
adjective
technical
B2
property
3
relating to a role in a system
About the job or role something has in a system.
用法パターン：
functional [role/area/component]
類義語
operational (Can overlap but often refers more to processes being active rather than roles.)
対義語
nonfunctional (Lacking a defined or active role in a system.)
コロケーション
functional area
|functional role
|functional requirements
テーマ
business
|technology
|science
|core_vocabulary
例文
- She works in the company's functional area of marketing.
- The software's functional requirements must be defined before development.
- Functional components are tested separately before integration.
学習者向け例文
- He works in the finance functional area.
- This part has a special functional role.
- The team studies the functional needs of the project.
adjective
technical
C1
property
4
about mathematical functions
About math ideas called functions and how they work.
用法パターン：
functional [analysis/relationship/mapping]
類義語
mathematical (Broader; refers to all areas of mathematics, not just functions.)
コロケーション
functional analysis
|functional equation
|functional relationship
テーマ
mathematics
|science
|education
例文
- Functional analysis is an important area of mathematics.
- The graph shows a clear functional relationship between the variables.
- He specializes in functional equations.
学習者向け例文
- We study functional analysis in class.
- This is a functional relationship in math.
- A functional equation can be hard to solve.
文法
辞書形
functional
IPA
GB/fˈʌŋkʃənəl/
US/fˈʌŋkʃənəl/
音節・強勢
func - tion - al （3音節）
Stress on 1st syllable (func)
活用形
Adjective
- Base: functional
関連語
Core family
function
noun B1
functionally
adverb
Related words
functionality
noun B2
malfunction
noun B2
Negative and opposite forms
Advanced or less common
functionalism
noun
表現
fully functional
1/fˈʊli fˈʌŋkʃənəl/
fixed phrase
working perfectly as intended
Working completely and without problems.
例文
- The website is now fully functional after the update.
- Once the repairs are done, the car will be fully functional again.
functional medicine
1/fˈʌŋkʃənəl mˈɛdɪsən/
fixed phrase
technical
healthcare focusing on root causes and system function
A type of healthcare that looks for and treats the main cause of illness, not just symptoms.
例文
- Functional medicine doctors often use nutrition and lifestyle changes to treat patients.
- She decided to try functional medicine for her chronic fatigue.
functional training
1/fˈʌŋkʃənəl tɹˈeɪnɪŋ/
fixed phrase
exercise for everyday movement skills
Exercise that helps you move better in daily life by copying real actions.
例文
- Functional training can improve balance and strength for everyday tasks.
- The gym offers classes in functional training.