ペイデイalso: ペイデーMeanings1nounpaydayrare termRare loanword from English; the more common Japanese terms are 給料日 or 支払日.See also: 給料日 · 支払日今日きょうはペイデイだから、銀ぎん行こうに行いかなくちゃ。Today is payday, so I have to go to the bank.