inattention; distraction; mind-wandering
Refers to a state where one's attention is scattered or unfocused, often used in formal or psychological contexts. The shorter form 注意散漫 is also common.
See also: 注意散漫
Accidents caused by inattention are increasing.
I took a break so I wouldn't get distracted during the exam.
Shorter form with the same meaning; slightly more common in everyday usage.
Compound of 注意力 (attention) and 散漫 (scattered, diffuse). The exact historical derivation is uncertain, but the word follows a standard Sino-Japanese compounding pattern.