thoughtless; flighty; frivolous
Describes a person or behavior that is impulsive, lacking in seriousness, or easily distracted. Often used in literary or formal contexts.
His thoughtless attitude disrupted the progress of the meeting.
You should avoid frivolous remarks.
Standard kanji form for this word.
Compound of 軽 (light, frivolous) and 躁 (restless, impetuous). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of thoughtlessness or flightiness.