Operational vs Working

When to use each in English, with meaning, register, and examples.

Operational

FormalTop 3,000 (common)C1adjective

Working

Top 1,000 (very common)A2adjective
Most formal: OperationalMost common: Working
 OperationalWorking
Pronunciation🇬🇧 /["/ˌɒpəˈreɪʃənl/"]/🇺🇸 /["/ˌɑːpəˈreɪʃənl/"]/🇬🇧 /["/ˈwɜːkɪŋ/"]/🇺🇸 /["/ˈwɜːrkɪŋ/"]/
MeaningRelated to how something works or functions.Doing a job or task.
Exampleoperational activities/costs/difficultiesShe has a working knowledge of French.
RegisterFormalNeutral
How commonTop 3,000 (common)Top 1,000 (very common)
CEFR levelC1A2
Part of speechadjectiveadjective
Collocationsbe, become, remain, fully, be, become, remain, fullyworking hours, working relationship, working condition
Antonymsnonoperational, inactive, out of orderidle, inactive, unemployed
Common mistakesConfusing 'operational' with 'operation' - they have different meanings., Using 'operational' to describe non-functional objects - it specifically means something that is working., Mispronouncing the word due to unfamiliarity with technical jargon.Confused with 'work' as a noun and a verb., 'Working' used without a clear object or context is unclear.
Usage notesUse 'operational' in formal contexts, especially in business or technical discussions. It may not fit well in casual conversations.Used in both formal and informal contexts. Suitable for discussing jobs, tasks, or involvement in activities. Avoid in very formal writing where more precise terms may be required.

See it in real clips

Operational
Working

Frequently asked questions: Operational vs Working

What's the difference between Operational and Working?

Operational: Related to how something works or functions. Working: Doing a job or task.

Which is more formal: Operational and Working?

Operational is the most formal of these.

Which is more common: Operational and Working?

Working is the most common in everyday English.

Which is more advanced: Operational and Working?

Operational is the highest level, at C1, on the CEFR scale.

Are Operational and Working the same CEFR level?

Operational: C1, Working: A2 on the CEFR scale.

What part of speech are Operational and Working?

Operational: adjective, Working: adjective.

Can you show an example of each?

Operational: operational activities/costs/difficulties Working: She has a working knowledge of French.

Can I use Operational and Working interchangeably?

Not always. Operational and Working are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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