勃ぼっ発ぱつ

ぼ

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ぱ

つ

Freq.FrequencyTop 20,000

勃発する · noun or participle which takes 'suru'

Meanings

outbreak; sudden occurrence

Used for the sudden start of something large-scale or serious, such as war, conflict, or a disaster. Often appears in news reports.

〈事こと〉が勃ぼっ発ぱつするfor something (war, conflict, etc.) to break out
隣りん国ごくとの間あいだで戦せん争そうが勃ぼっ発ぱつした。
War broke out between the two neighboring countries.
〈場ば所しょ〉で〈事こと〉が勃ぼっ発ぱつするfor something to break out in a place
その地ち域いきで内ない乱らんが勃ぼっ発ぱつした。
A civil war broke out in that region.

発はっ生せいN2
発生 is a general word for the occurrence or generation of events, problems, or life, while 勃発 is reserved for the sudden, often violent outbreak of something large-scale like war.
突とっ発ぱつ
突発 describes an unexpected incident or accident of any scale, whereas 勃発 implies a more dramatic, often large-scale and negative eruption such as war.

終しゅう結けつ
勃発 marks the sudden start of a conflict or crisis, while 終結 marks its formal end or conclusion.

勃ぼっ発ぱつUsage99%
Standard kanji spelling; used in news and formal contexts.
ぼっ発ぱつUsage1%
Simplified spelling sometimes used in newspapers or when the first kanji is difficult.

From Middle Chinese-derived elements 勃 (sudden, vigorous) and 発 (emit, start). The combination conveys a sudden, forceful outbreak.