才さい気き溌はつ剌らつ

Meanings

taru-adjective, adverb taking the 'to' particle

brilliant and quick-witted; sparkling with intelligence

Describes a person whose intelligence is lively, sharp, and full of energy. Often used in literary or formal descriptions of someone's mental agility.

彼かれの議ぎ論ろんは才さい気き溌はつ剌らつとしていて、聞きく者ものを圧あっ倒とうした。
His arguments were so brilliant and lively that they overwhelmed the listeners.
若わかい棋き士しが才さい気き溌はつ剌らつたる手てを次つぎ々つぎと繰くり出だした。
The young shogi player produced one sparklingly brilliant move after another.

Kanji

才genius, years old, cubic shaku
気spirit, mind, air
溌sprinkle, lively, vigorous
剌opposed, biased

Related words

溌はつ剌らつ
溌剌 alone means 'lively' or 'full of energy', while 才気溌剌 specifically adds the nuance of intellectual brilliance.
才さい気き煥かん発ぱつ
Similar meaning, but 才気煥発 emphasizes the outward display of brilliance, while 才気溌剌 focuses on the lively, energetic quality of the intellect.

Built from

才さい気き+はつらつ

Written forms

才さい気き溌はつ剌らつ
Standard kanji form. 溌剌 is a somewhat uncommon kanji compound, but this is the established spelling.
才さい気きはつらつ
Mixed kana spelling used when the kanji 溌剌 are considered difficult or for readability.

Etymology

Compound of 才気 (intelligence, wit) and 溌剌 (lively, energetic). 溌剌 is a reduplicative compound of 溌 (splash, energetic) and 剌 (oppose, sharp), together conveying a sense of vigorous, sparkling energy.