operationalop·e·ra·tion·al /ˌɒpəˈreɪʃənəl◂ˌɑː-/ adjectiveadj 1working or able to be used
Even when the new system is fully operational it will be subject to important conditions.
The power station will become operational next year.
These vehicles have an operational life of five years.
2[only before a noun] related to the running of a business, government etc
You will be in charge of day-to-day operational matters.
Our operational budget is over £1,100 million.
We need to cut our operational costs in half.