ad libitum
01
随意に, 自由に
in a manner that allows for spontaneous expression without preparation
例
The speaker talked ad libitum, answering questions as they came up.
スピーカーはad libitumに話し、質問が出るたびに答えました。
The jazz band performed ad libitum, making up their solos on the spot.
ジャズバンドはad libitumに演奏し、その場でソロを即興で作り上げた。
