突 発 的(とっぱつてき)

とっぱつてき

na-adjective

sudden; unexpected; abrupt

abstract

1. sudden; unexpected; abrupt; unforeseen

Occurring without warning or prior indication, often catching people off guard.

突発的(とっぱつてき)な事故(じこ)が起(お)きた。

A sudden accident occurred.

突発的(とっぱつてき)な出費(しゅっぴ)に備(そな)えて貯金(ちょきん)している。

I'm saving money in case of unexpected expenses.

突発的(とっぱつてき)に発生(はっせい)した停電(ていでん)で、会議(かいぎ)が中断(ちゅうだん)された。

The meeting was interrupted by a sudden power outage.

Formed from 突発(とっぱつ) (sudden occurrence) + 的(てき) (characteristic of). Describes events that happen abruptly and without any prior signs or planning. Commonly used in news, official reports, and everyday conversation about unexpected situations.

Common collocations

突発的(とっぱつてき)な事故(じこ): sudden accident
突発的(とっぱつてき)な出来事(できごと): unexpected event
突発的(とっぱつてき)に発生(はっせい)する: to occur suddenly
突発的(とっぱつてき)な行動(こうどう): impulsive action

Similar words

急(きゅう)な: sudden, abrupt — more colloquial and broader in usage
偶発的(ぐうはつてき): accidental, incidental — emphasizes chance rather than suddenness
計画的(けいかくてき): planned, deliberate — the opposite, describing premeditated actions

Related Words

Compare: 急(きゅう) (sudden, abrupt)

Antonym: 計画的(けいかくてき) (planned, deliberate)

Compare: 発作的(ほっさてき) (fit-like)

general

Added 2026.3.31 23:07 · Revised 2026.9.2 13:02

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