Passive; not actively initiating action but responding or being acted upon (equivalent to the English 'passive').
彼は会議でいつも受動的で、自分の意見をほとんど言わない。
He is always passive at meetings and rarely expresses his own opinions.
学習において受動的な姿勢では成績は伸びにくい。
With a passive attitude toward learning, it's hard to improve grades.
受動的に情報を受け取るだけでなく、自分で調べる習慣をつけよう。
Don't just receive information passively; develop the habit of researching on your own.