軽けい躁そう

na-adjective, noun

thoughtless; flighty; frivolous

Describes a person or behavior that is impulsive, lacking in seriousness, or easily distracted. Often used in literary or formal contexts.

• 彼かれの軽けい躁そうな態たい度どが会かい議ぎの進しん行こうを妨さまたげた。

  His thoughtless attitude disrupted the progress of the meeting.

• 軽けい躁そうな発はつ言げんは避さけるべきだ。

  You should avoid frivolous remarks.