にわかに

にわかに
adverb
suddenly; abruptly; all at once
1. suddenly; abruptly; all at once
Describes something happening unexpectedly and quickly, without warning or gradual buildup. Often used for weather changes, emotional shifts, or sudden developments.
(そら)がにわかに(くら)くなった。
The sky suddenly darkened.
にわかに(あめ)()()した。
It suddenly started raining.
経済(けいざい)情勢(じょうせい)がにわかに悪化(あっか)して、(おお)くの企業(きぎょう)影響(えいきょう)()けた。
The economic situation deteriorated suddenly, and many companies were affected.
2. readily; easily (with negative)
When used with a negative predicate, means 'not easily' or 'not readily.' Indicates that something is difficult to accept, believe, or accomplish.
にわかには(しん)じがたい。
It's hard to believe.
そんな(はなし)はにわかには()()れられない。
I can't readily accept such a story.
長年(ながねん)習慣(しゅうかん)はにわかには()えられないものだ。
Long-standing habits cannot easily be changed.

Can also be written in kanji as (にわか)に, though the kana form is more common in modern writing. The related noun にわか (sudden) appears in compounds like にわか(あめ) (sudden shower). The word has a somewhat literary or formal tone compared to (きゅう)に.

COMMON COLLOCATIONS:

  • にわかに(しん)じがたい: hard to believe
  • にわか(あめ): sudden rain shower
  • にわかに()わる: to change suddenly
  • にわかに活気(かっき)づく: to suddenly become lively

SIMILAR WORDS:

  • (きゅう)に: suddenly — most common everyday word for 'suddenly'; less literary
  • 突然(とつぜん): suddenly, unexpectedly — emphasizes the unexpected nature; dramatic
  • いきなり: abruptly, without warning — colloquial; emphasizes doing something without preamble