C1adjectiveformal3K

Operational

UK /["/ˌɒpəˈreɪʃənl/"]/US /["/ˌɑːpəˈreɪʃənl/"]/

Definition

connected with the way in which a business, machine, system, etc. works

In simple words: Related to how something works or functions.

Examples

  • operational activities/costs/difficulties
  • The new airport is now **fully operational**.
  • The weapon system was declared operational in June.
  • They plan to keep the telescope operational until the end of the decade.
  • operational headquarters

Usage notes

Use 'operational' in formal contexts, especially in business or technical discussions. It may not fit well in casual conversations.

Grammar pattern

standalone adjective

Memory hint

Think 'operation' — if something is operational, it’s ready for action like a well-oiled machine.

Collocations

  • be
  • become
  • remain
  • fully
  • be
  • become
  • remain
  • fully

Synonyms

  • functional
  • working
  • active
  • utilizable
  • serviceable

Antonyms

  • nonoperational
  • inactive
  • out of order

Common mistakes

  • Confusing '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.