operational
gb/ˌɑpɚˈeɪʃənəl/ us/ˌɑpɚˈeɪʃənəl/
B1
英語
~ 4200
語義
0件の語義
adjective
B1
property
1
Ready and able to function
Working and ready to be used.
用法パターン：
[something] is operational
よくある間違い：
Learners sometimes confuse 'operational' with 'operative'. 'Operational' usually refers to readiness or working state, while 'operative' can refer to a person or something in effect.
類義語
functional (Similar meaning but slightly more technical or mechanical in tone.)
対義語
inoperative (Describes something that cannot function or be used.)
コロケーション
fully operational
|become operational
|remain operational
|make operational
テーマ
technology
|business
|daily life
|work
|core_vocabulary
例文
- The new subway line is now operational.
- Only two of the four elevators are operational.
- The website will be operational again after the update.
学習者向け例文
- The machine is operational.
- The store is operational today.
- The phone is not operational.
adjective
technical
B2
property
2
Relating to practical work or activities
About the work and activities needed to make something run.
用法パターン：
operational [noun]
よくある間違い：
Some learners overuse it in casual speech; in everyday conversation, simpler words like 'daily' or 'working' may be more natural.
類義語
practical (More general; not limited to organizational contexts.)
対義語
theoretical (Describes ideas without practical application.)
コロケーション
operational costs
|operational plan
|operational efficiency
|operational control
テーマ
business
|military
|management
|work
例文
- The company is reviewing its operational procedures.
- Operational costs have increased this quarter.
- The general discussed the operational details of the mission.
学習者向け例文
- We talked about the operational plan.
- The operational cost is high.
- They need better operational control.
adjective
technical
B2
property
3
Involving active military missions
Ready for or doing military actions.
用法パターン：
operational [unit/mission]
類義語
active-duty (Specifically refers to personnel serving full-time in the military.)
対義語
non-operational (Not engaged in active missions or unable to perform them.)
コロケーション
operational readiness
|operational unit
|operational command
テーマ
military
|politics
例文
- The squadron is fully operational and ready to deploy.
- Operational readiness is essential for national defense.
- The ship will be operational within days.
学習者向け例文
- The army unit is operational.
- The ship is operational now.
- The soldiers are operational.
文法
辞書形
operational
IPA
GB/ˌɑpɚˈeɪʃənəl/
US/ˌɑpɚˈeɪʃənəl/
音節・強勢
op - er - a - tion - al （5音節）
Stress on 2nd syllable (er)
活用形
Adjective
- Base: operational
関連語
Related words
operationally
adverb
Negative and opposite forms
non-operational
adjective
inoperative
adjective
Advanced or less common
operable
adjective
operationalize
verb C1
表現
become operational
1/bɪkˈʌm ˌɑpɚˈeɪʃənəl/
fixed phrase
Start working as intended
To start working and be ready for use.
例文
- The new airport terminal became operational last week.
- The system will become operational after testing.
fully operational
1/fˈʊli ˌɑpɚˈeɪʃənəl/
fixed phrase
Completely ready to function
Working 100% and ready to use.
例文
- The factory will be fully operational by next month.
- After repairs, the train service is fully operational again.
remain operational
1/ɹɪmˈeɪn ˌɑpɚˈeɪʃənəl/
fixed phrase
Continue working as intended
To keep working and be ready for use.
例文
- Despite the storm, the power grid remained operational.
- Our backup servers remain operational during outages.