ダウン時じ間かんMeanings1noundown time; downtimecomputingComputing term for a period when a system, server, or service is unavailable or not operational.サーバーのダウン時じ間かんが長なが引びいて、顧こ客きゃくから苦く情じょうが来きた。The server downtime dragged on, and we got complaints from customers.