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operational

/ˌɒp.əˈreɪ.ʃən.əl/
IELTSAcademic
adjective
  1. 1.

    Working or able to work. It can also mean ready to be used in a real situation.

    • The machine is now operational.
    • The new system is fully operational.
  2. 2.

    Relating to the practical work of running a business, plan, or organization.

    • They made several operational changes.
    • The operational team met every morning.

Adinary Nuance

Operational is often closer to “working” or “ready for use” than to simple “useful.” It is more formal than everyday words like “working” or “functional.” In business or management, it often means connected to day-to-day practical work, not just theory.

In other languages

Vietnamese
vận hành
Spanish
operativo
Chinese
可运行的
Japanese
運用上の
Korean
운영상의

Etymology

Operational comes from operation, which entered English from Latin operatio, meaning “a working” or “a doing.” It became common in the 19th and 20th centuries, especially in business and military use.

Common phrases

operational costoperational efficiencyfully operationaloperational plan

Synonyms

Related words

Frequently asked questions

Is operational a formal word?
Yes, it is fairly formal and common in business, technical, and academic English.
What is the difference between operational and functional?
Functional means something works. Operational often means it is ready and working in a real situation.
Can I use operational for a machine?
Yes. It is very common for machines, systems, and equipment that are working properly.
Is operational used in business writing?
Yes. It often describes costs, plans, teams, and day-to-day work in a company.