Free and uncontrolled in behavior; acting with abandon and without much restraint.
彼女は自由奔放な性格で、思いついたらすぐ行動する。
She has a free-spirited personality and acts on impulse when she thinks of something.
その作品は自由奔放な発想が魅力だ。
The work's appeal lies in its uninhibited creativity.
演奏は自由奔放で、会場の雰囲気を盛り上げた。
The performance was freewheeling and energized the audience.