1Convenient, handy, or useful — describing something that is easy to use and helps save time or effort.
この辞書アプリはいつでも調べられて便利だ。
This dictionary app is convenient because you can look things up anytime.
駅の近くに住んでいるので、通勤にとても便利だ。
I live near the station, so it's very convenient for commuting.
このアプリは家計簿の管理に便利な機能がたくさんある。
This app has many convenient features for managing household budgets.
折りたたみ傘は持ち歩くのに便利だ。
A folding umbrella is convenient to carry around.