adverb taking the 'to' particle, taru-adjective
Literary adverb describing an abrupt, forceful occurrence. Often used with verbs of change or emotion.
彼は勃然として怒り出した。
He suddenly flared up in anger.
adverb taking the 'to' particle, taru-adjective
flaring up (in anger); in a flare
Specifically for a sudden outburst of anger or strong emotion. Often used in the phrase 勃然として怒る.
その言葉に彼は勃然として立ち上がった。
At those words, he sprang to his feet in a sudden rage.