Pronunciation

/ˌɑːpərˈteɪʃənəl/

Definitions

• Adjective: (of a system, machine, or process) functioning or able to function; working correctly or ready for use. For example: “The new software update made the application fully operational.”
• Noun: (in military contexts) a period during which a unit or force is actively engaged in combat or otherwise fulfilling its primary purpose. For example: “The aircraft carrier entered operational service in 2023.”

Phrases

• “Operational hours” refer to the times when a business, facility, or service is open and functioning.
• “Go operational” means to begin functioning or become active, often used for systems or projects that have just been launched.
• “Operational readiness” indicates that something, typically a piece of equipment or a team, is prepared and capable of performing its intended function immediately.

Example Sentences

• Adjective: “After extensive testing, the satellite was deemed operational and ready to be launched into orbit.”
• Noun: “The special operations team completed their final training exercise before going operational in the field.”

Synonyms

• Functional (adj.)
• Working (adj.)
• Active (adj.)
• Practical (adj.)
• Effective (adj.)
• In action (noun, informal)
• Up and running (noun, idiomatic)
• Live (noun, in technical contexts)